Quiz about Ratios, Unit Rates, Proportions

Question 1

If 5 candy bars cost $3.00, how much will 2 candy bars cost?

Accepted Answer

$1.20

Answer

$.40

Answer

$.60

Answer

$.80

Question 2

You travel 150 miles on 5 gallons. How far did you travel per gallon?

Accepted Answer

30 miles

Answer

15 miles

Answer

3 miles

Answer

25 miles

Question 3

You earn $15 every 3 weeks. At this rate, how much will you earn in 5 weeks?

Accepted Answer

$25

Answer

$35

Answer

$5

Answer

$10

Question 4

Solve the proportion.

Accepted Answer

k=5

Answer

k=3.3333333

Answer

k=60

Answer

k=90

Question 5

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

Accepted Answer

c=15

Answer

c=18

Answer

c=21

Answer

c=16

Question 6

7.  Find the unit rate of 624 calories in 3 servings.

Accepted Answer

208 calories per serving

Answer

1,872 calories per serving

Answer

624 calories per serving

Answer

621 calories per serving

Question 7

What is the unit rate if there are 92 miles driven using 4 gallons of gas?

Accepted Answer

23 miles per gallon

Answer

21 miles per gallon

Answer

22 miles per gallon

Answer

96 miles per gallon

Question 8

Solve the proportion:

Accepted Answer

8

Answer

4

Answer

14

Answer

10

Question 9

Fill in the missing number into the ratio table

Accepted Answer

15

Answer

5

Answer

25

Answer

12

Question 10

Fill in the missing number into the ratio table

Accepted Answer

11

Answer

55

Answer

3

Answer

10

Question 11

A cake recipe calls for 1 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

Accepted Answer

1.6 cups milk

Answer

1.5 cups milk

Answer

2 cups flour

Answer

2.25 cups milk

Question 12

For every 8 hours you work you make $60. How much do you make per hour?

Accepted Answer

$7.50

Answer

$9

Answer

$8

Answer

$8.25

Question 13

Which is NOT equivalent to 3:5?

Accepted Answer

21:28

Answer

15:25

Answer

9:15

Answer

30:50

Question 14

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

Accepted Answer

6 to 1

Answer

1/6

Answer

18/3

Answer

3/18

Question 15

If you have 3 pennies, 4 nickels, and 5 dimes which represents the following ratio: dimes to total number of coins?

Accepted Answer

5:12

Answer

4:5

Answer

1:4

Answer

1:3

Question 16

How can you calculate equivalent fractions?

Accepted Answer

Multiply or divide both terms of a ratio by the same number

Answer

Multiply both terms of a ratio by the same number

Answer

Divide both terms of a ratio by the same number

Answer

You can't calculate equivalent fractions

Question 17

88 students for 4 classes
How many students per class?

Accepted Answer

22 students per class

Answer

22 classes per student

Answer

25 students per class

Answer

25 classes per student

Question 18

What is a better value for cheese?

Accepted Answer

Kraft, because it's $0.44 per oz

Answer

Kraft , because it's $2.29 per oz

Answer

Simple, because it's $1.88 per oz

Answer

Simple, because it's $0.53 per oz

Question 19

Waldo spent $75 on 5 chicken dinners for his family. What was the unit rate for each dinner?

Accepted Answer

$15 per dinner

Answer

$9 per dinner

Answer

$12 per dinner

Answer

$8 per dinner

Question 20

You estimate that you can do 12 math problems in 45 minutes. How long should it take you to do 20 math problems

Accepted Answer

75 minutes

Answer

65 minutes

Answer

12 minutes

Answer

30 minutes

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