Quiz about Ratios, Rates, & Proportions

Question 1

What is the ratio of votes for yellow to green?

Accepted Answer

2:18

Answer

18:9

Answer

2:9

Answer

9:2

Question 2

Write the ratio of red roses to the total number of flowers for a florist who uses 5 red roses for every 2 white roses in her bouquets.

Accepted Answer

5:7

Answer

7:5

Answer

2:7

Answer

7:2

Question 3

For every 5 red roses the florist uses 2 white roses. If the florist uses 15 red roses in a bouquet, how many white roses does she use?

Accepted Answer

6 white roses

Answer

2 white roses

Answer

10 white roses

Answer

3 white roses

Question 4

Simplify the ratio 4 to 12.

Accepted Answer

1 to 3

Answer

2 to 6

Answer

4 to 12

Answer

3 to 1

Question 5

Simplify the ratio 8:18.

Accepted Answer

4:9

Answer

2:3

Answer

1:2

Answer

8:18

Question 6

Simplify the ratio 20:5.

Accepted Answer

4:1

Answer

5:1

Answer

20:1

Answer

1:4

Question 7

The school soccer team buys 3 soccer balls for every 2 players. If there are 22 players, how many soccer balls did they buy?

Accepted Answer

33 soccer balls

Answer

30 soccer balls

Answer

36 soccer balls

Answer

39 soccer balls

Question 8

Jenna walks 1.2 miles in 5 days. How many days will it take Jenna to walk 9.6 miles?

Accepted Answer

40 days

Answer

8 days

Answer

36 days

Answer

16 days

Question 9

James can go 78 miles on 3 gallons of gas. Calculate his unit rate.

Accepted Answer

26 miles per gallon

Answer

25 miles per gallon

Answer

24 miles per gallon

Answer

23 miles per gallon

Question 10

Which is the better value? Use a proportion to prove your answer:

Accepted Answer

4 sandwiches for $21

Answer

3 sandwiches for $16.50

Question 11

Which is the better value? Use a proportion to prove your answer: 1 apple for $0.59 or 9 apples for $5.22.

Accepted Answer

9 apples for $5.22

Answer

1 apple for $0.59

Answer

Both are the same value

Question 12

Marie has 8 hours to write a 45 page chapter for her book. Marie writes at a constant speed of 5 pages per hour. Will Marie complete the chapter in time?

Accepted Answer

No

Answer

Yes

Question 13

A plane travels at a rate of 780 miles in 2 hours. At this rate, how far will it travel in 3.5 hours?

Accepted Answer

1365 miles

Answer

1400 miles

Answer

1500 miles

Answer

1300 miles

Question 14

Lisa needs to buy 2 kilograms of apples. If she buys 9 apples that each weigh approximately 150 grams, will she have enough?

Accepted Answer

No, she will not have enough.

Answer

Yes, she will have enough.

Question 15

The hippo at the zoo weighs 1.5 tons. How many pounds does the hippo weigh?

Accepted Answer

3000 pounds

Answer

2000 pounds

Answer

1500 pounds

Answer

3500 pounds

Question 16

What is 45% of 50?

Accepted Answer

22.5

Answer

21.5

Answer

20.5

Answer

4.5

Question 17

34% of what number is 51?

Accepted Answer

150

Answer

69

Answer

71

Answer

196

Question 18

12 is 90% of what number?

Accepted Answer

13.3

Answer

1333.3

Answer

10.8

Answer

.108

Question 19

In the Central City Grand Prix, out of 30 cars that started the race, 12 of them finished. What percent of the cars finished the race?

Accepted Answer

40%

Answer

20%

Answer

60%

Answer

80%

Question 20

On Halloween, the 6th grade class made candy bags to give to the community. They made 80 cards in all and gave 40% of them to the hospital. How many Halloween bags did they give to the hospital?

Accepted Answer

32

Answer

30

Answer

31

Answer

33

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics