Quiz about Ratio, Rates, Proportions

Question 1

The table shows the numbers of different animals at a petting zoo. Express the ratio in the simplest form that compares the number of goats to the total number of animals.

Accepted Answer

2:5

Answer

6:15

Answer

15:6

Answer

5:2

Question 2

The ratio of boys to girls in the 6th grade band is 3:5. Based on this ratio, how many boys are in the band if there are 75 girls.

Accepted Answer

45

Answer

125

Answer

100

Answer

50

Question 3

Nathaniel can run 3 laps in the gym in 2 minutes. If Nathaniel continues to run at the same rate, which of the graphs best represents his progress?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 4

The amount of eggs and the cups of cream needed to make egg nog have a proportional relationship. Complete the table.

Accepted Answer

5/1 & 5/1

Answer

10/2 & 25/5

Answer

1/5 & 1/5

Answer

2/10 & 5/25

Question 5

A dolphin travels through the water of a speed of 25 kilometers per hour. Which representation shows the distance a dolphin can travel at this rate? (7.4A)

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 6

At a bus station, busses depart at a rate of 3 every 10 minutes. At this rate, how many busses would depart in one hour?

Accepted Answer

18 busses

Answer

3 busses

Answer

10 busses

Answer

13 busses

Question 7

At a bus station, busses depart at a rate of 3 every 10 minutes. At this rate, how many busses would depart in one hour?

Accepted Answer

18 busses

Answer

3 busses

Answer

10 busses

Answer

13 busses

Question 8

Your answer must be in SIMPLEST FORM.

Accepted Answer

2/5 c. orange juice to 1 serving of fruit smoothie

Answer

1/3 c. orange juice to 1 serving of fruit smoothie

Answer

6/5 c. orange juice to 1 serving of fruit smoothie

Answer

6/15 c. of fruit smoothie/1 c. orange juice

Question 9

The ratio of boys to girls in the school musical is 5:8. Which of the following shows the possible numbers of boys and girls in the school musical?

Accepted Answer

20:32

Answer

48:30

Answer

15:18

Answer

6:9

Question 10

What is the missing number in the ratio table?

Accepted Answer

76

Answer

72

Answer

85

Answer

90

Question 11

What was Brian's unit rate?

Accepted Answer

30 words per minute

Answer

3/2 word per minute

Answer

30 minutes per word

Answer

60 minutes per word

Question 12

What is A?

Accepted Answer

84

Answer

7

Answer

28

Answer

82

Question 13

Lynnette can wash 95 cars in 5 days. How many cars does she wash each day?

Accepted Answer

19 cars per day

Answer

475 cars per day

Answer

.05 cars per day

Answer

15 cars per day

Question 14

Luke can paint 91 portraits in 7 weeks. How many portraits does he paint each week?

Accepted Answer

13 portraits per week

Answer

637 cars per week

Answer

13

Answer

0.08 portraits per week

Question 15

Kyle entered a pie eating contest. He took 1/5 of a minute to eat 1/2 of a pie. How many pies can Kyle eat per minute?

Accepted Answer

2 and 1/2 pies per minute

Answer

2 and 1/2 minutes per pie

Answer

2/5 of a minute per pie

Answer

2/5 of a pie per minute

Question 16

Jada can read 3/5 of a book in 1/4 of an hour. How long would it take her to read one whole book?

Accepted Answer

5/12 of an hour per book

Answer

2 and 2/5 books per hour

Answer

2 and 2/5 hours per book

Answer

5/12 of a book per hour

Question 17

Calculate the better buy.

Accepted Answer

2-ounce bottle of soap for $1.80

Answer

8-ounce bottle of soap for $7.28

Question 18

Which is the better buy?

Accepted Answer

6-pack of t-shirts for $3.12

Answer

4 pack of t-shirts for $2.24

Answer

8 pack of t-shirts for $4.24

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