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Worksheets

Solving Problems with Ratios of Fractions

Total questions: 62

Worksheet time: 31mins

Name
Class
Date
1.

Determine the ratio of baby weight to adult weight for each animal. Round to the nearest thousandth, when necessary.

a)

0.004

b)

0.040

c)

0.400

d)

0.0004

2.

Determine the ratio of baby weight to adult weight for each animal. Round to the nearest thousandth, when necessary.

a)

0.037

b)

0.073

c)

0.307

d)

0.003

3.

Determine the ratio of baby weight to adult weight for each animal. Round to the nearest thousandth, when necessary. 3. Polar Bear: _______

a)

0.002

b)

0.02

c)

0.02

d)

0.0002

4.

Determine the ratio of baby weight to adult weight for each animal. Round to the nearest thousandth, when necessary. 4. Elephant: _______

a)

0.025

b)

0.15

c)

0.002

d)

0.45

5.

Determine the ratio of baby weight to adult weight for each animal. Round to the nearest thousandth, when necessary.

a)

0.001

b)

0.01

c)

0.1

d)

0.05

6.

Based on the table of animal weights, which list shows the animals in order from the least to the greatest ratio of baby weight to adult weight?

a)

Elephant, Tiger, Polar Bear, Giraffe, Panda

b)

Panda, Giraffe, Polar Bear, Tiger, Elephant

c)

Tiger, Elephant, Giraffe, Panda, Polar Bear

d)

Giraffe, Panda, Tiger, Elephant, Polar Bear

7.

Rewrite the following rate as a unit rate: A cell phone company mistakenly advertises that their data plan costs 50 cents for every 10 kilobytes of data.

a)

5 cents per kilobyte

b)

0.5 cents per kilobyte

c)

10 cents per kilobyte

d)

50 cents per kilobyte

8.

Rewrite the following rate as a unit rate: A store advertises that 12-ounce sodas are 99 cents each.

a)

99 cents per 12-ounce soda

b)

12 ounces per 99 cents

c)

99 cents per ounce

d)

12 sodas per 99 cents

9.

Rewrite the following rate as a unit rate: A carnival game advertises 50 cents to toss 4 rings.

a)

12.5 cents per ring

b)

10 cents per ring

c)

20 cents per ring

d)

2 cents per ring

10.

Rewrite the following rate as a unit rate: At a yard sale, Mason sees a sign that advertises 85 cents for 5 books.

a)

17 cents per book

b)

5 cents per book

c)

85 cents per book

d)

20 cents per book

11.

Rewrite the following rate as a unit rate: An office supply store is having a back-to-school sale and advertises in the local paper that pencils are 88 cents for 11.

a)

8 cents per pencil

b)

11 cents per pencil

c)

7 cents per pencil

d)

88 cents per pencil

12.

Rewrite the following rate as a unit rate: A restaurant advertises that wings are 75 cents for 2 on Monday nights.

a)

37.5 cents per wing

b)

75 cents per wing

c)

2 cents per wing

d)

150 cents per wing

13.

Rewrite the following rate as a unit rate: A fast-food restaurant has a sign that says '5 chicken nuggets for 95 cents.'

a)

19 cents per chicken nugget

b)

15 cents per chicken nugget

c)

25 cents per chicken nugget

d)

10 cents per chicken nugget

14.

Rewrite the following rate as a unit rate: A recycling center claims to give 96 cents for every 12 aluminum cans turned in.

a)

8 cents per aluminum can

b)

12 cents per aluminum can

c)

6 cents per aluminum can

d)

10 cents per aluminum can

15.

Convert the rate 5 feet per 3 seconds to yards per hour.

a)

2000 yards per hour

b)

1000 yards per hour

c)

6000 yards per hour

d)

3000 yards per hour

16.

Convert the rate 1000 fluid ounces per 2 hours to cups per minute.

a)

6.25 cups per minute

b)

4.17 cups per minute

c)

8.33 cups per minute

d)

2.08 cups per minute

17.

Convert the rate of 10 yards per 5 minutes to feet per hour.

a)

120 feet per hour

b)

360 feet per hour

c)

600 feet per hour

d)

1200 feet per hour

18.

Convert the rate of 48 feet per hour to inches per minute.

a)

9.6 inches per minute

b)

4 inches per minute

c)

8 inches per minute

d)

12 inches per minute

19.

Convert the rate of 12 pints per 15 minutes to quarts per hour.

a)

16 quarts per hour

b)

12 quarts per hour

c)

24 quarts per hour

d)

8 quarts per hour

20.

Convert the rate of 48 ounces per 2 hours to pounds per day.

a)

18 pounds per day

b)

12 pounds per day

c)

6 pounds per day

d)

24 pounds per day

21.

Identify the student who can type at a greater rate of words per minute.

a)

Student A

b)

Student B

c)

Both students type at the same rate

d)

Neither student can type

22.

Adriana takes 5/12 hour to complete 50 math problems. Carlos is able to complete 48 math problems in 2/5 hour. Which student can complete math problems at a greater rate of problems per hour?

a)

Adriana can complete math problems at a greater rate per hour.

b)

Carlos can complete math problems at a greater rate per hour.

c)

Both Adriana and Carlos complete math problems at the same rate per hour.

d)

Neither Adriana nor Carlos can complete math problems at a greater rate per hour.

23.

The computer that downloads at a greater rate of megabytes per minute is:

a)

John's computer

b)

Mary's computer

c)

Alex's computer

d)

Sarah's computer

24.

The person who travels at a greater rate of miles per hour is:

a)

the one who covers more miles in less time

b)

the one who covers fewer miles in more time

c)

the one who covers the same miles in more time

d)

the one who covers fewer miles in less time

25.

Mei drove 45 miles and used 3 3/4 gallons of gas. Luna drove 85 miles and used 5 2/3 gallons of gas. Which driver used fewer gallons of gas per mile?

a)

Mei used fewer gallons of gas per mile.

b)

Luna used fewer gallons of gas per mile.

c)

Both used the same amount of gas per mile.

d)

Not enough information to determine.

26.

Identify which baker made cookies at a greater rate of batches per hour.

a)

Baker A

b)

Baker B

c)

Both bakers made cookies at the same rate

d)

Cannot be determined from the information given

27.

When a person in a painting is 63 centimeters tall, how tall is the person’s head?

a)

9 centimeters

b)

12 centimeters

c)

6 centimeters

d)

15 centimeters

28.

The Appalachian Trail is a 2,155-mile hiking trail in the Eastern United States. You plan to hike the section of the trail that is in New Jersey at a rate of 9 miles per day. When the hike will take you 8 days, what is the length of the trail in New Jersey?

a)

72 miles

b)

81 miles

c)

64 miles

d)

90 miles

29.

The average person breathes 35 pounds of air per day. At this rate, how many pounds of air will the average person breathe in seven days?

a)

245 pounds

b)

175 pounds

c)

70 pounds

d)

315 pounds

30.

You are on a hockey team. Your time on the ice is 12 minutes per game. A season is twenty games. How many minutes do you play during the season?

a)

240 minutes

b)

120 minutes

c)

60 minutes

d)

200 minutes

31.

In an hour, a jogger burns about 4 calories per pound of body weight. How many calories will a jogger who weighs 151 pounds burn in an hour?

a)

604 calories

b)

151 calories

c)

755 calories

d)

302 calories

32.

In the old British money system, 5 shillings was equal in value to 1 crown. Emily had 45 shillings. What was the value in crowns?

a)

9 crowns

b)

7 crowns

c)

5 crowns

d)

12 crowns

33.

A scale model of a train is constructed at the ratio 1 : 87.1. If the scale model of a locomotive is 10.4712 inches long, how long is the actual locomotive in feet?

a)

76 feet

b)

91 feet

c)

58 feet

d)

101 feet

34.

Determine each unit rate and graph each rate on the coordinate plane. 1. 3/4 cup of punch to 1/8 cup of lemon-lime.

a)

Unit rate = 6 cups of punch per cup of lemon-lime.

b)

Unit rate = 1/6 cups of punch per cup of lemon-lime.

c)

Unit rate = 9 cups of punch per cup of lemon-lime.

d)

Unit rate = 0.5 cups of punch per cup of lemon-lime.

35.

Determine each unit rate and graph each rate on the coordinate plane. 2. 1 cup of lemon-lime : 1 1/2 cups of punch.

a)

Unit rate = 1.5 cups of punch per cup of lemon-lime.

b)

Unit rate = 0.5 cups of punch per cup of lemon-lime.

c)

Unit rate = 2 cups of punch per cup of lemon-lime.

d)

Unit rate = 1 cup of punch per cup of lemon-lime.

36.

The diameter of a circle is 4 cm. Determine the area of the circle.

a)

12.56 cm²

b)

6.28 cm²

c)

8.00 cm²

d)

25.12 cm²

37.

The radius of a circle is 3 ft. Determine the circumference of the circle.

a)

18.84 ft

b)

9.42 ft

c)

28.26 ft

d)

6 ft

38.

A football team won ten games out of sixteen of their games during the 2009 regular season. At this rate, how many games do they need to play to win 50 games?

a)

80

b)

60

c)

75

d)

100

39.

The 18 wind turbines on a hill are enough to meet the electrical needs of all 6 houses on a city street. How many wind turbines are needed to meet the electrical needs of 26 houses?

a)

78

b)

54

c)

36

d)

26

40.

Between 1990 and 2000, the population of New York City increased at a rate of 32 people every four hours. By how many people would the population have increased in 63 hours?

a)

504

b)

512

c)

496

d)

480

41.

A local survey determined that 4 out of every 10 Internet users have downloaded music at some point. At this rate, out of 60 Internet users, how many have downloaded music?

a)

24

b)

16

c)

40

d)

36

42.

The string that produces the lowest tone on a piano vibrates 87 times in 3 seconds. How many times would this string vibrate in 12 seconds?

a)

348

b)

261

c)

1044

d)

435

43.

A 10-ounce package of animal cookies costs $2. What should a 35-ounce package cost, assuming the same cost per ounce?

a)

$7

b)

$5

c)

$6

d)

$8

44.

Solve for each variable using the means and extremes method. Round to the nearest hundredth, when necessary. 1. 428=x35\frac{4}{28} = \frac{x}{35}

a)

5

b)

4

c)

6.25

d)

3.5

45.

Solve for each variable using the means and extremes method. Round to the nearest hundredth, when necessary. 2. 12 : 6 = 60 : x

a)

30

b)

10

c)

12

d)

6

46.

Solve for each variable using the means and extremes method. Round to the nearest hundredth, when necessary. 3. 560 : 80 = x : 300

a)

2100

b)

1500

c)

700

d)

1200

47.

Solve for each variable using the means and extremes method. Round to the nearest hundredth, when necessary. 4. 41282=7x\frac{41}{282} = \frac{7}{x}

a)

x = 48.17

b)

x = 16.43

c)

x = 82.57

d)

x = 19.71

48.

Solve for each variable using the means and extremes method. Round to the nearest hundredth, when necessary. 5. 399=x2\frac{39}{9} = \frac{x}{2}

a)

8.67

b)

4.50

c)

13.00

d)

2.25

49.

Solve for each variable using the means and extremes method. Round to the nearest hundredth, when necessary. 6. 74 : 31 = 2 : x

a)

0.84

b)

1.15

c)

4.21

d)

11.47

50.

Solve for each variable using the means and extremes method. Round to the nearest hundredth, when necessary. 7. x3=13517\frac{x}{3} = \frac{1351}{7}

a)

579

b)

647.5

c)

193

d)

405.33

51.

Solve for each variable using the means and extremes method. Round to the nearest hundredth, when necessary. 8. 26 : x = 117 : 9

a)

2

b)

3.5

c)

13.5

d)

40.5

52.

How many kilometers did Camilla travel?

a)

281.6 kilometers (1 mile = 1.609 km, so 175 x 1.609 = 281.575)

b)

175 kilometers

c)

320 kilometers

d)

210 kilometers

53.

Parker weighs 165 pounds. What is his mass in kilograms?

a)

74.8 kilograms (1 pound = 0.454 kg, so 165 x 0.454 = 74.91)

b)

90.0 kilograms

c)

60.0 kilograms

d)

100.0 kilograms

54.

How many pounds of ground chicken does she need?

a)

1.1 pounds

b)

0.5 pounds

c)

2 pounds

d)

3 pounds

55.

Diego needs to refill his lawn mower gas tank. The tank holds 4.2 liters of gas. How many gallons of gas does the tank hold?

a)

1.1 gallons

b)

0.5 gallons

c)

2.0 gallons

d)

3.5 gallons

56.

Isaiah is going to compete in a 5000-meter race. How long is the race in yards?

a)

5468 yards (1 meter = 1.094 yards, so 5000 x 1.094 = 5470)

b)

5000 yards

c)

6000 yards

d)

4500 yards

57.

How tall is Kayla’s favorite basketball player in feet?

a)

6.9 feet (1 meter = 3.281 feet, so 2.1 x 3.281 = 6.8901)

b)

5.5 feet

c)

7.2 feet

d)

6.2 feet

58.

Which numbers between 1 and 20 have equal number-to-letter-count ratios?

a)

2 and 4

b)

3 and 6

c)

5 and 10

d)

7 and 14

59.

Spaced Practice 1a. The table shows the gallons filled in a pool over time. Complete the table.

a)

Gallons Filled: 62.5, 125, 250, 500, 312.5

b)

Gallons Filled: 60, 120, 240, 480, 300

c)

Gallons Filled: 65, 130, 260, 520, 325

d)

Gallons Filled: 70, 140, 280, 560, 350

60.

Determine a unit rate for this situation.

a)

The unit rate is 5 miles per hour.

b)

The unit rate is 10 miles per hour.

c)

The unit rate is 2 miles per hour.

d)

The unit rate is 20 miles per hour.

61.

Spaced Practice 2. Pi is the ratio of which two measures of a circle?

a)

Circumference to diameter

b)

Radius to diameter

c)

Diameter to radius

d)

Area to circumference

62.

Spaced Practice 3. Which is a better deal—a 16-inch diameter pizza for 12.99oran8inchdiameterpizzafor12.99 or an 8-inch diameter pizza for 6?

a)

The 16-inch pizza for $12.99

b)

The 8-inch pizza for $6

c)

Both are the same deal

d)

Neither is a good deal