Quiz about Ratio and rates review

Question 1

Express the rate as a unit rate: 70 miles in 2 hours

Accepted Answer

35 miles in 1 hour

Answer

70 miles in 2 hours

Answer

45 miles in 1 hour

Answer

140 miles in 4 hours

Question 2

Tiffany pays $40 for 160 minutes of talk time on her cell phone. How many minutes of talk time does she get per dollar?

Accepted Answer

4 minutes

Answer

40 minutes

Answer

120 minutes

Answer

6400 minutes

Question 3

It took Conner 45 minutes to jog 5 miles. At this rate, how many minutes did it take him to jog each mile?

Accepted Answer

9 min

Answer

10 min

Answer

8 min

Answer

0.11 min

Question 4

A bus makes 28 stops every 2 hours. How many stops does it make in 3 hours?

Accepted Answer

42 stops

Answer

14 stops

Answer

36 stops

Answer

52 stops

Question 5

162 heartbeats in 60 seconds What is the correct way to express as a unit rate?

Accepted Answer

2.7 heartbeats/s

Answer

0.37 heartbeats/s

Answer

81/30 heartbeats/s

Answer

162/60 heartbeats/s

Question 6

Laurie can type 675 words in 7.5 minutes. Kathi can type 570 words in 6 minutes. Use unit rates to determine if each pair of rates is equivalent. Choose the correct explanation.

Accepted Answer

No; since the unit rates 90 words/min and 95 words/min are not the same, the rates are not equivalent.

Answer

No; since the unit rates 92 words/min and 95 words/min are not the same, the rates are not equivalent.

Answer

Yes; since the unit rates are both 90 words/min the rates are equivalent.

Answer

No; since the unit rates 99 words/min and 95 words/min are not the same, the rates are not equivalent.

Question 7

Express the rate as a unit rate: 9 pages in 3 hours.

Accepted Answer

3 pages/h

Answer

5 pages/h

Answer

4 pages/h

Answer

2 pages/h

Question 8

Nicholas bought 5 pens for $3. At this rate, how much will he spend on 8 pens?

Accepted Answer

$4.80

Answer

$4.40

Answer

$4.60

Answer

$5.00

Question 9

In a basket filled with tiles, the ratio of red tiles to green tiles is 7:3. Katrina wants to make the same tile mix with 161 red tiles. How many green tiles should Katrina use?

Accepted Answer

30

Answer

7

Answer

23

Answer

69

Question 10

Sophia uses 3 cups of peanut butter to make 51 peanut butter cookies. At this rate, how many cups of peanut butter does she need to make 153 peanut butter cookies?

Accepted Answer

9 cups of peanut butter

Answer

6 cups of peanut butter

Answer

12 cups of peanut butter

Answer

8 cups of peanut butter

Question 11

At the craft fair, Margie sold 16 of the 28 bracelets in her display. Which ratio accurately compares the number of bracelets Margie sold to the number she did NOT sell?

Accepted Answer

4:3

Answer

4:1

Answer

12:16

Answer

16:28

Question 12

There are 14 horses at the Humble Riding Club. 56 children signed up for riding lessons. Which ratio accurately compares the number of children to the number of horses?

Accepted Answer

4 to 1

Answer

2 to 8

Answer

14 to 56

Answer

3 to 1

Question 13

Tim has a job that pays $50 for 5 hours of work. Jane has a job that pays $24 for 2 hours of work. Who has the higher rate of pay?

Accepted Answer

Jane

Answer

Tim

Question 14

Jon can do 64 push-ups in 4 minutes. Paul can do 45 push-ups in 3 minutes. Whose rate is faster?

Accepted Answer

Jon

Answer

Paul

Ratio and rates review

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