Ratios & Proportions

Problem 1

A boat travels 222 km on 74 liters. How much gas is needed for 39 km?

See Solution

Problem 2

A boat travels 222 km on 74 liters. How much gas for 39 km? Use the ratio: $\frac{74}{222} = \frac{x}{39}$ .

See Solution

Problem 3

A car travels 234 km on 39 liters. How many liters are needed for 414 km?

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Problem 4

Find the time when balls A and B return to the starting point, given A rotates 2 times in 26 min and B 5 times in 35 min.

See Solution

Problem 5

絲带的长度是繩子长度的幾分之幾？繩子 70 厘米，絲带 21 厘米。

See Solution

Problem 6

甲、乙兩地相距 $7 \frac{1}{2}$ 公里，爸爸駕車走了 $1 \frac{1}{2}$ 公里，求他走了全程的幾分之幾？

See Solution

Problem 7

Divide \$380000000 by 8 and round to the nearest ten thousand. What is the amount each person receives?

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Problem 8

\$380000000 was divided among 8 people. What is each person's share rounded to the nearest \$10000?

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Problem 9

Federica ha 48 tulipani, 32 rose e 24 ciclamini. Quanti fiori ci sono in ogni mazzetto se ne fa 8?

See Solution

Problem 10

What is the market price of ¥ 2,000 stocks for 98 shares?

See Solution

Problem 11

Théo paie $71,40 €$ pour $70 \mathrm{~L}$ . Quel est le prix d'un litre de carburant pour Théo ?

See Solution

Problem 12

Calcule la quantité de chocolat nécessaire pour 20 personnes si 180 g sont prévus pour 6 personnes.

See Solution

Problem 13

See Solution

Problem 14

Pour 20 personnes, combien de cL de lait pour 1 œuf/personne et 3 œufs pour $35 \mathrm{cL}$ de lait ? Suffit-il avec 3 L de lait ?

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Problem 15

Pour 20 personnes, calculez le lait nécessaire en respectant 3 œufs pour $35 \mathrm{cL}$ de lait. 3 L de lait suffisent-ils ?

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Problem 16

Calculate the force on a submarine door at $500 \mathrm{~m}$ depth with area $0.4^{2}$ and water density $1.03$ .

See Solution

Problem 17

A man exerts a pressure of $2.8 \times 10^{3} \mathrm{Nm}^{-2}$ over $4 \times 10^{-2} \mathrm{~m}^{2}$ . Find his weight.

See Solution

Problem 18

Calcule la division de 2000 par 8 et complète : $2000=8 \times$ . Combien d'arbres sont le long du canal ?

See Solution

Problem 19

The nurse gives penicillin $750 \mathrm{mg}$ daily, every 6 hours. How much is each dose?

See Solution

Problem 20

A child weighing 50 lbs needs tetracycline at $8 \mathrm{mg} / \mathrm{kg} /$ day, 4 times daily. Find: a. Dose in mg? b. mL per dose if supplied at $50 \mathrm{mg} / 7 \mathrm{~mL}$ ? c. Total daily mg?

See Solution

Problem 21

Convert $15 \mathrm{lb}$ to ounces.

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Problem 22

Is a daily dose of $175 \mathrm{mcg}$ of Levothyroxin safe for an 8-year-old weighing $29.5 \mathrm{~kg}$ ? Explain.

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Problem 23

Calculate the mg per dose of Augmentin for a 66 lbs child, given the dosage is $50 \mathrm{mg} / \mathrm{kg} /$ day, divided q $6 \mathrm{~h}$ .

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Problem 24

Find the ratio of men to total persons in a company with 112 men out of 288 total. Options: 0.3042, 0.2625, 0.3875, 7:8.

See Solution

Problem 25

A child weighing 80 lbs needs Phenytoin $60 \mathrm{mg}$ every 8 hours. Find the safe dose range in $\mathrm{mg}$ per day.

See Solution

Problem 26

A child weighing 80 lbs needs Phenytoin elixir $60 \mathrm{mg}$ every 8 hours. How many mls per dose? (Round to 1 decimal place)

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Problem 27

A child weighs 72 pounds. Gentamicin is prescribed at $8 \mathrm{mg} / \mathrm{kg} /$ day every 6 hours. How many $\mathrm{mls}$ per dose?

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Problem 28

Calculate the dose of Ceclor in mg for a 12 lb infant, and find the mL needed per dose. Ceclor is $20 \mathrm{mg} / \mathrm{kg} / \mathrm{day}$ and $100 \mathrm{mg} / 2 \mathrm{mL}$ .

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Problem 29

A child weighing 35 pounds needs Amoxicillin. How many $200 \mathrm{mg}$ tablets for a $600 \mathrm{mg}$ dose every 6 hours?

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Problem 30

A child weighing 58 pounds needs Tetracycline elixir at $40 \mathrm{mg} / \mathrm{kg} /$ day every 6 hours. How many mls per dose?

See Solution

Problem 31

A child weighing 58 pounds needs Tetracycline elixir at $40 \mathrm{mg} / \mathrm{kg} /$ day every 6 hours. How many $\mathrm{mgs}$ per dose?

See Solution

Problem 32

Find the safe dose range for a 35-pound child taking Amoxicillin, with a daily dose of $150 \mathrm{mg}-350 \mathrm{mg}$ .

See Solution

Problem 33

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Problem 34

A child weighing $19.5 \mathrm{kgs}$ needs Prednisolone $200 \mathrm{mcg} / \mathrm{kg}$ . How many mls will the nurse prepare?

See Solution

Problem 35

Calculate the safe dose range for a 27-pound child given Eryped drops of $30-50 \mathrm{mg} / \mathrm{kg} / \mathrm{day}$ .

See Solution

Problem 36

A child weighing 72 pounds needs Gentamicin $8 \mathrm{mg} / \mathrm{kg} /$ day every 6 hours. How many mls per dose?

See Solution

Problem 37

Convert 24 kg to grams. Recall that 1 kg = 1,000 g.

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Problem 38

What is the concentration in $\mathrm{g}/\mathrm{fl.oz}$ for $90 \mathrm{oz} 7 \mathrm{gr}/\mathrm{gal}$ ?

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Problem 39

How many liters of alcohol are needed to make 500,000 patches if each contains $0.3 \mathrm{~mL}$ of alcohol?

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Problem 40

How many kg of aluminium hydroxide gel are needed for 250,000 bottles with 100 tablets each, if each tablet has $80 \mathrm{mg}$ ?

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Problem 41

Convert 56 mph to ft/sec. Use the conversion factor: 1 mph = 1.46667 ft/sec.

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Problem 42

Convert 30 m/s to mph. Use the conversion factor: 1 m/s = 2.23694 mph.

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Problem 43

Convert 70 gallons/min to liters/second. What is the equivalent value in $\mathrm{L} / \mathrm{sec}$ ?

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Problem 44

Convert 48 kg/ft² to psi under standard conditions for temperature and air pressure.

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Problem 45

Tìm tỉ số của hai đoạn thẳng $A B=16 \mathrm{~cm}$ và $C D=3 \mathrm{dm}$ .

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Problem 46

Convert 95 ft/sec to mph using 1 mile = 5,280 feet and 1 hour = 3,600 seconds.

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Problem 47

4 is 5 times 3.

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Problem 48

18 is how many times greater than 6?

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Problem 49

Calculate the work done to raise a $300 \mathrm{~kg}$ load through $4 \mathrm{~m}$ with $g=10 \mathrm{~ms}^{-2}$ .

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Problem 50

Convert $5 \mathrm{~kg}$ to grams, find packets of $125 \mathrm{~g}$ in $10 \mathrm{~kg}$ rice, verify $105 \mathrm{~km}$ trip, and calculate speed. Use $\text{Speed}=\frac{\text{Distance}}{\text{Time}}$ .

See Solution

Problem 51

Solve for $x$ in the equation $\frac{3}{5}=\frac{x}{90}$ .

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Problem 52

An airplane with 60 passengers is $\frac{6}{7}$ full. What is its total capacity?

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Problem 53

Alice needs 18 buttons and Mary needs 20. Find the LCM of 18 and 20 to get the smallest packet size. Justify your choice.

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Problem 54

Tina and Mina's ages are in the ratio $4:5$ . In 3 years, their ages sum to 33. Find their current ages.

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Problem 55

Jordan has ingredients for hot chocolate. What's the max servings he can make with 5 chocolate squares, 2 cups sugar, and 7 cups milk?

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Problem 56

Convierte $783 \mathrm{~cm}^{2}$ a $\mathrm{m}^{2}$ y elige la opción correcta: a. $0,0000783 m^{2}$ b. $0,0783 \mathrm{~m}^{2}$ c. $0,000783 \mathrm{~m}^{2}$ d. $0,00783 \mathrm{~m}^{2}$

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Problem 57

Una máquina recorre 100 m en 3 min. ¿Cuál es su velocidad en m/s? Opciones: a. $0.55 \mathrm{~m/s}$ b. $0.2 \mathrm{~m/s}$ c. $125 \mathrm{~m/s}$ d. $0.0025 \mathrm{~m/s}$

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Problem 58

La velocidad en el vacío es $300000000 \mathrm{~m/s}$ , ¿cuánto es en $\mathrm{km/s}$ ? Opciones: a. $3000000000 \mathrm{~km/s}$ b. $300000 \mathrm{~km/s}$ c. $300000000000 \mathrm{~km/s}$ d. $3000 \mathrm{~km/s}$

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Problem 59

Convierte $835 \mathrm{~cm}^{2}$ a $\mathrm{m}^{2}$ y elige la respuesta correcta: a. $0,00000835 \mathrm{~m}^{2}$ , b. $0,0835 \mathrm{~m}^{2}$ , c. $83500 \mathrm{~m}^{2}$ , d. $8350000 \mathrm{~m}^{2}$ .

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Problem 60

Convierte $250 \mathrm{~km/h}$ a $\mathrm{m/s}$ y elige la respuesta correcta: a. $236 \mathrm{~m/s}$ , b. $125 \mathrm{~m/s}$ , c. $69,4 \mathrm{~m/s}$ , d. $900 \mathrm{~m/s}$ .

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Problem 61

Convierte $430 \mathrm{~km/h}$ a $\mathrm{m/s}$ y selecciona la respuesta correcta: a. $119.4 \mathrm{~m/s}$ , b. $215 \mathrm{~m/s}$ , c. $860 \mathrm{~m/s}$ , d. $1548 \mathrm{~m/s}$ .

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Problem 62

If 45 kg is divided into 9 bags (5 kg each), how many bags for 100 kg?
Solve: $\frac{100}{x} = 5$ .

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Problem 63

Có 18 thanh long, 24 bưởi, 40 táo. Chia đều vào túi quà sao cho mỗi túi có đủ cả 3 loại. Tối đa được bao nhiêu túi?

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Problem 64

El ingeniero necesita calcular cuántos sacos adicionales de concreto necesita. Tiene 250 sacos y requiere $148 \times 5.5$ sacos.

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Problem 65

A car traveled 50 km to point B in 1 hour and returned in 1 hour. Find: 1. Speed to B, 2. Speed back, 3. Average speed, 4. Average speed in m/s, 5. Movement type.

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Problem 66

Find the reduced ratio of the mother’s height (125 cm) to the daughter’s height (50 cm). Options: a. $5: 2$ , b. $2: 5$ , c. $10: 20$ , d. $3: 1$ .

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Problem 67

The ratio $x$ to $y$ equals 12 to $t$ . If $x=156$ , find $y$ in terms of $t$ . A: $13 t$

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Problem 68

A car travels at $200 \mathrm{~km} / \mathrm{h}$ . Find its speed relative to various observers moving at $100 \mathrm{~km} / \mathrm{h}$ and $200 \mathrm{~km} / \mathrm{h}$ .

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Problem 69

Find the time per beat in seconds if your heart rate is 150 beats per minute.

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Problem 70

A manufacturer mixes melted wax, water, and white spirits in the ratio $3/4 : 3/2 : 1/4$ . Find litres for 70 litres total. Choices: a, b, c, d.

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Problem 71

An aircraft with 5400 lbs of fuel uses 3400 lbs after 180 miles. What is the average fuel consumption rate?

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Problem 72

An aircraft flies 1855 miles at 530 mph, using fuel at 21 lbs/min. How much fuel is used in kg?

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Problem 73

Find the actual length $L$ of a copper rod measured as $80 \mathrm{~cm}$ with a relative error of $\frac{1}{160}$ .

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Problem 74

How to simplify a decimal ratio? Example: Simplify $15.43, 3.25$ by multiplying both by 100 to eliminate decimals.

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Problem 75

At 10 mph, how far do you travel in 90 minutes? Calculate using the formula $d = rt$ .

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Problem 76

Find the average speed for an 18 mile journey completed in 3 hours. Use the formula: speed = distance/time.

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Problem 77

John drove for 2 hours at 45 mph. How far did he travel? Use the formula $d = rt$ .

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Problem 78

Berechne die Zeit, um einen Brunnen mit 2001 Litern bei $301 \, \mathrm{l/min}$ zu füllen.

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Problem 79

当其中一个人的 SPG 读数达到 $130 \mathrm{bar}$ 时，我们应调头。

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Problem 80

Zhen buys a laptop for S\ $1350 in Singapore and A\$1456 in Australia. With an exchange rate of 0.14, find the price difference in S$ .

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Problem 81

Calculate the price difference of a laptop bought for $\mathbf{S} \$ 1350$ in Singapore and $\mathrm{A} \$ 1456$ in Australia, with an exchange rate of $\mathrm{S} \$ 1=\mathrm{A} \$ 1.12$ .

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Problem 82

5 friends share 35 candies equally. How many candies does each friend get? Options: 6, 30, 7, 40.

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Problem 83

A restaurant needs $21 \mathrm{lb}$ of cooked meat with $30\%$ waste. Raw meat costs \$8.60/lb. Find the APQ.

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Problem 84

Medina fährt mit $18 \mathrm{~km/h}$ und hat 20 Minuten. Wie weit darf ihr Freund maximal wohnen?

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Problem 85

Convert 8 cm/sec to miles per hour using the conversion factor: 1 mile = 160934 cm.

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Problem 86

Convert 5 lbs/cm³ to kg/m³ using 1 lb = 0.453592 kg and 1 cm = 0.01 m.

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Problem 87

Convert $0.5 \mathrm{lbs} / \mathrm{cm}^{3}$ to $\mathrm{kg} / \mathrm{m}^{3}$ .

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Problem 88

Mimi and Lafi share profits in a 3:5 ratio. How much does Mimi get from a total profit of RM 8000?

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Problem 89

Mr. Jamal drives from Town M to Town N (40 km) at 60 km/h. How long will it take in minutes?

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Problem 90

How far does a car go in 2 seconds at a speed of $60 \mathrm{mph}$ ?

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Problem 91

How far does a car go in 2 seconds at $60 \mathrm{mph}$ ? Calculate using $\frac{60 \mathrm{mi}}{2 \mathrm{sec}} \cdot \frac{5280 \mathrm{ft}}{1 \mathrm{mi}} \cdot 2 \mathrm{sec}.$

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Problem 92

How much water (in gallons) flows from a hose in 30 seconds at 10 gallons per minute?

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Problem 93

Holas scoops gumballs weighing 0.76 pounds. If they cost \$3.48 per pound, what is the total cost of the gumballs?

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Problem 94

Find the length of a line that is 7 times 3,098 kilometers.

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Problem 95

A plane flew 104 miles in 50 minutes. How far can it fly in 1 hour? (50 min = $\frac{5}{6}$ hour)

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Problem 96

DeAndre downloads 8 apps in 12 seconds. How many can he download in 1 minute? (12 seconds $=\frac{1}{5}$ minute)

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Problem 97

Russell runs $\frac{9}{10}$ mile in 5 minutes. How many miles does he run in 1 minute?

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Problem 98

A truck driver drove 48 miles in 45 minutes. How far can they drive in one hour?

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Problem 99

Thunder from lightning travels $\frac{1}{10}$ mile in $\frac{1}{2}$ second. How far in miles does it travel in one second?

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Problem 100

A sloth travels $60 \mathrm{ft}$ in $5 \mathrm{min}$ . How long to travel $300 \mathrm{ft}$ ? Show your work.

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Ratios & Proportions

Problem 1

A boat travels 222 km on 74 liters. How much gas is needed for 39 km?

Problem 2

A boat travels 222 km on 74 liters. How much gas for 39 km? Use the ratio: 74222=x39 \frac{74}{222} = \frac{x}{39} 22274​=39x​.

Problem 3

A car travels 234 km on 39 liters. How many liters are needed for 414 km?

Problem 4

Find the time when balls A and B return to the starting point, given A rotates 2 times in 26 min and B 5 times in 35 min.

Problem 5

絲带的长度是繩子长度的幾分之幾？繩子 70 厘米，絲带 21 厘米。

Problem 6

甲、乙兩地相距 712 7 \frac{1}{2} 721​ 公里，爸爸駕車走了 112 1 \frac{1}{2} 121​ 公里，求他走了全程的幾分之幾？

Problem 7

Divide \$380000000 by 8 and round to the nearest ten thousand. What is the amount each person receives?

Problem 8

\$380000000 was divided among 8 people. What is each person's share rounded to the nearest \$10000?

Problem 9

Federica ha 48 tulipani, 32 rose e 24 ciclamini. Quanti fiori ci sono in ogni mazzetto se ne fa 8?

Problem 10

What is the market price of ¥ 2,000 stocks for 98 shares?

Problem 11

Théo paie 71,40€71,40 €71,40€ pour 70 L70 \mathrm{~L}70 L. Quel est le prix d'un litre de carburant pour Théo ?

Problem 12

Calcule la quantité de chocolat nécessaire pour 20 personnes si 180 g sont prévus pour 6 personnes.

Problem 13

Problem 14

Pour 20 personnes, combien de cL de lait pour 1 œuf/personne et 3 œufs pour 35cL35 \mathrm{cL}35cL de lait ? Suffit-il avec 3 L de lait ?

Problem 15

Pour 20 personnes, calculez le lait nécessaire en respectant 3 œufs pour 35cL35 \mathrm{cL}35cL de lait. 3 L de lait suffisent-ils ?

Problem 16

Calculate the force on a submarine door at 500 m500 \mathrm{~m}500 m depth with area 0.420.4^{2}0.42 and water density 1.031.031.03.

Problem 17

A man exerts a pressure of 2.8×103Nm−22.8 \times 10^{3} \mathrm{Nm}^{-2}2.8×103Nm−2 over 4×10−2 m24 \times 10^{-2} \mathrm{~m}^{2}4×10−2 m2. Find his weight.

Problem 18

Calcule la division de 2000 par 8 et complète : 2000=8×2000=8 \times2000=8×. Combien d'arbres sont le long du canal ?

Problem 19

The nurse gives penicillin 750mg750 \mathrm{mg}750mg daily, every 6 hours. How much is each dose?

Problem 20

A child weighing 50 lbs needs tetracycline at 8mg/kg/8 \mathrm{mg} / \mathrm{kg} /8mg/kg/ day, 4 times daily. Find: a. Dose in mg? b. mL per dose if supplied at 50mg/7 mL50 \mathrm{mg} / 7 \mathrm{~mL}50mg/7 mL? c. Total daily mg?

Problem 21

Convert 15lb15 \mathrm{lb}15lb to ounces.

Problem 22

Is a daily dose of 175mcg175 \mathrm{mcg}175mcg of Levothyroxin safe for an 8-year-old weighing 29.5 kg29.5 \mathrm{~kg}29.5 kg? Explain.

Problem 23

Calculate the mg per dose of Augmentin for a 66 lbs child, given the dosage is 50mg/kg/50 \mathrm{mg} / \mathrm{kg} /50mg/kg/ day, divided q 6 h6 \mathrm{~h}6 h.

Problem 24

Find the ratio of men to total persons in a company with 112 men out of 288 total. Options: 0.3042, 0.2625, 0.3875, 7:8.

Problem 25

A child weighing 80 lbs needs Phenytoin 60mg60 \mathrm{mg}60mg every 8 hours. Find the safe dose range in mg\mathrm{mg}mg per day.

Problem 26

A child weighing 80 lbs needs Phenytoin elixir 60mg60 \mathrm{mg}60mg every 8 hours. How many mls per dose? (Round to 1 decimal place)

Problem 27

A child weighs 72 pounds. Gentamicin is prescribed at 8mg/kg/8 \mathrm{mg} / \mathrm{kg} /8mg/kg/ day every 6 hours. How many mls\mathrm{mls}mls per dose?

Problem 28

Calculate the dose of Ceclor in mg for a 12 lb infant, and find the mL needed per dose. Ceclor is 20mg/kg/day20 \mathrm{mg} / \mathrm{kg} / \mathrm{day}20mg/kg/day and 100mg/2mL100 \mathrm{mg} / 2 \mathrm{mL}100mg/2mL.

Problem 29

A child weighing 35 pounds needs Amoxicillin. How many 200mg200 \mathrm{mg}200mg tablets for a 600mg600 \mathrm{mg}600mg dose every 6 hours?

Problem 30

A child weighing 58 pounds needs Tetracycline elixir at 40mg/kg/40 \mathrm{mg} / \mathrm{kg} /40mg/kg/ day every 6 hours. How many mls per dose?

Problem 31

A child weighing 58 pounds needs Tetracycline elixir at 40mg/kg/40 \mathrm{mg} / \mathrm{kg} /40mg/kg/ day every 6 hours. How many mgs\mathrm{mgs}mgs per dose?

Problem 32

Find the safe dose range for a 35-pound child taking Amoxicillin, with a daily dose of 150mg−350mg150 \mathrm{mg}-350 \mathrm{mg}150mg−350mg.

Problem 33

Problem 34

A child weighing 19.5kgs19.5 \mathrm{kgs}19.5kgs needs Prednisolone 200mcg/kg200 \mathrm{mcg} / \mathrm{kg}200mcg/kg. How many mls will the nurse prepare?

Problem 35

Calculate the safe dose range for a 27-pound child given Eryped drops of 30−50mg/kg/day30-50 \mathrm{mg} / \mathrm{kg} / \mathrm{day}30−50mg/kg/day.

Problem 36

A child weighing 72 pounds needs Gentamicin 8mg/kg/8 \mathrm{mg} / \mathrm{kg} /8mg/kg/ day every 6 hours. How many mls per dose?

Problem 37

Convert 24 kg to grams. Recall that 1 kg = 1,000 g.

Problem 38

What is the concentration in g/fl.oz\mathrm{g}/\mathrm{fl.oz}g/fl.oz for 90oz7gr/gal90 \mathrm{oz} 7 \mathrm{gr}/\mathrm{gal}90oz7gr/gal?

Problem 39

How many liters of alcohol are needed to make 500,000 patches if each contains 0.3 mL0.3 \mathrm{~mL}0.3 mL of alcohol?

Problem 40

How many kg of aluminium hydroxide gel are needed for 250,000 bottles with 100 tablets each, if each tablet has 80mg80 \mathrm{mg}80mg?

Problem 41

A boat travels 222 km on 74 liters. How much gas for 39 km? Use the ratio: $\frac{74}{222} = \frac{x}{39}$ .

甲、乙兩地相距 $7 \frac{1}{2}$ 公里，爸爸駕車走了 $1 \frac{1}{2}$ 公里，求他走了全程的幾分之幾？

Théo paie $71,40 €$ pour $70 \mathrm{~L}$ . Quel est le prix d'un litre de carburant pour Théo ?

Pour 20 personnes, combien de cL de lait pour 1 œuf/personne et 3 œufs pour $35 \mathrm{cL}$ de lait ? Suffit-il avec 3 L de lait ?

Pour 20 personnes, calculez le lait nécessaire en respectant 3 œufs pour $35 \mathrm{cL}$ de lait. 3 L de lait suffisent-ils ?

Calculate the force on a submarine door at $500 \mathrm{~m}$ depth with area $0.4^{2}$ and water density $1.03$ .

A man exerts a pressure of $2.8 \times 10^{3} \mathrm{Nm}^{-2}$ over $4 \times 10^{-2} \mathrm{~m}^{2}$ . Find his weight.

Calcule la division de 2000 par 8 et complète : $2000=8 \times$ . Combien d'arbres sont le long du canal ?

The nurse gives penicillin $750 \mathrm{mg}$ daily, every 6 hours. How much is each dose?

A child weighing 50 lbs needs tetracycline at $8 \mathrm{mg} / \mathrm{kg} /$ day, 4 times daily. Find: a. Dose in mg? b. mL per dose if supplied at $50 \mathrm{mg} / 7 \mathrm{~mL}$ ? c. Total daily mg?

Convert $15 \mathrm{lb}$ to ounces.

Is a daily dose of $175 \mathrm{mcg}$ of Levothyroxin safe for an 8-year-old weighing $29.5 \mathrm{~kg}$ ? Explain.

Calculate the mg per dose of Augmentin for a 66 lbs child, given the dosage is $50 \mathrm{mg} / \mathrm{kg} /$ day, divided q $6 \mathrm{~h}$ .

A child weighing 80 lbs needs Phenytoin $60 \mathrm{mg}$ every 8 hours. Find the safe dose range in $\mathrm{mg}$ per day.

A child weighing 80 lbs needs Phenytoin elixir $60 \mathrm{mg}$ every 8 hours. How many mls per dose? (Round to 1 decimal place)

A child weighs 72 pounds. Gentamicin is prescribed at $8 \mathrm{mg} / \mathrm{kg} /$ day every 6 hours. How many $\mathrm{mls}$ per dose?

Calculate the dose of Ceclor in mg for a 12 lb infant, and find the mL needed per dose. Ceclor is $20 \mathrm{mg} / \mathrm{kg} / \mathrm{day}$ and $100 \mathrm{mg} / 2 \mathrm{mL}$ .

A child weighing 35 pounds needs Amoxicillin. How many $200 \mathrm{mg}$ tablets for a $600 \mathrm{mg}$ dose every 6 hours?

A child weighing 58 pounds needs Tetracycline elixir at $40 \mathrm{mg} / \mathrm{kg} /$ day every 6 hours. How many mls per dose?

A child weighing 58 pounds needs Tetracycline elixir at $40 \mathrm{mg} / \mathrm{kg} /$ day every 6 hours. How many $\mathrm{mgs}$ per dose?

Find the safe dose range for a 35-pound child taking Amoxicillin, with a daily dose of $150 \mathrm{mg}-350 \mathrm{mg}$ .

A child weighing $19.5 \mathrm{kgs}$ needs Prednisolone $200 \mathrm{mcg} / \mathrm{kg}$ . How many mls will the nurse prepare?

Calculate the safe dose range for a 27-pound child given Eryped drops of $30-50 \mathrm{mg} / \mathrm{kg} / \mathrm{day}$ .

A child weighing 72 pounds needs Gentamicin $8 \mathrm{mg} / \mathrm{kg} /$ day every 6 hours. How many mls per dose?

What is the concentration in $\mathrm{g}/\mathrm{fl.oz}$ for $90 \mathrm{oz} 7 \mathrm{gr}/\mathrm{gal}$ ?

How many liters of alcohol are needed to make 500,000 patches if each contains $0.3 \mathrm{~mL}$ of alcohol?

How many kg of aluminium hydroxide gel are needed for 250,000 bottles with 100 tablets each, if each tablet has $80 \mathrm{mg}$ ?

Convert 70 gallons/min to liters/second. What is the equivalent value in $\mathrm{L} / \mathrm{sec}$ ?

Tìm tỉ số của hai đoạn thẳng $A B=16 \mathrm{~cm}$ và $C D=3 \mathrm{dm}$ .

Calculate the work done to raise a $300 \mathrm{~kg}$ load through $4 \mathrm{~m}$ with $g=10 \mathrm{~ms}^{-2}$ .

Convert $5 \mathrm{~kg}$ to grams, find packets of $125 \mathrm{~g}$ in $10 \mathrm{~kg}$ rice, verify $105 \mathrm{~km}$ trip, and calculate speed. Use $\text{Speed}=\frac{\text{Distance}}{\text{Time}}$ .

Solve for $x$ in the equation $\frac{3}{5}=\frac{x}{90}$ .

An airplane with 60 passengers is $\frac{6}{7}$ full. What is its total capacity?

Tina and Mina's ages are in the ratio $4:5$ . In 3 years, their ages sum to 33. Find their current ages.

Convierte $783 \mathrm{~cm}^{2}$ a $\mathrm{m}^{2}$ y elige la opción correcta: a. $0,0000783 m^{2}$ b. $0,0783 \mathrm{~m}^{2}$ c. $0,000783 \mathrm{~m}^{2}$ d. $0,00783 \mathrm{~m}^{2}$

Una máquina recorre 100 m en 3 min. ¿Cuál es su velocidad en m/s? Opciones: a. $0.55 \mathrm{~m/s}$ b. $0.2 \mathrm{~m/s}$ c. $125 \mathrm{~m/s}$ d. $0.0025 \mathrm{~m/s}$

Convierte $835 \mathrm{~cm}^{2}$ a $\mathrm{m}^{2}$ y elige la respuesta correcta: a. $0,00000835 \mathrm{~m}^{2}$ , b. $0,0835 \mathrm{~m}^{2}$ , c. $83500 \mathrm{~m}^{2}$ , d. $8350000 \mathrm{~m}^{2}$ .

Convierte $250 \mathrm{~km/h}$ a $\mathrm{m/s}$ y elige la respuesta correcta: a. $236 \mathrm{~m/s}$ , b. $125 \mathrm{~m/s}$ , c. $69,4 \mathrm{~m/s}$ , d. $900 \mathrm{~m/s}$ .

Convierte $430 \mathrm{~km/h}$ a $\mathrm{m/s}$ y selecciona la respuesta correcta: a. $119.4 \mathrm{~m/s}$ , b. $215 \mathrm{~m/s}$ , c. $860 \mathrm{~m/s}$ , d. $1548 \mathrm{~m/s}$ .

If 45 kg is divided into 9 bags (5 kg each), how many bags for 100 kg?
Solve: $\frac{100}{x} = 5$ .

El ingeniero necesita calcular cuántos sacos adicionales de concreto necesita. Tiene 250 sacos y requiere $148 \times 5.5$ sacos.

Find the reduced ratio of the mother’s height (125 cm) to the daughter’s height (50 cm). Options: a. $5: 2$ , b. $2: 5$ , c. $10: 20$ , d. $3: 1$ .

The ratio $x$ to $y$ equals 12 to $t$ . If $x=156$ , find $y$ in terms of $t$ . A: $13 t$

A car travels at $200 \mathrm{~km} / \mathrm{h}$ . Find its speed relative to various observers moving at $100 \mathrm{~km} / \mathrm{h}$ and $200 \mathrm{~km} / \mathrm{h}$ .

A manufacturer mixes melted wax, water, and white spirits in the ratio $3/4 : 3/2 : 1/4$ . Find litres for 70 litres total. Choices: a, b, c, d.

Find the actual length $L$ of a copper rod measured as $80 \mathrm{~cm}$ with a relative error of $\frac{1}{160}$ .

How to simplify a decimal ratio? Example: Simplify $15.43, 3.25$ by multiplying both by 100 to eliminate decimals.