Ratios Rates Proportions Percents

What percent of 50 is 20?

• 40%

• 25%

• 2.5%

• 4%

What percent of 32 is 10?

• 0.32%

• 32%

• 0.3125%

• 31.25%

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to ALL fruit?

• 5:4

• 5:11

• 2:5

• 6:5

What is 19% of 50?

• 9.5

• 10

• 15

• 11

A comparison of two quatities. Ex: 1 teacher for 12 students.

• Rational

• Ratio

• Rate

• Proprotion

54 pounds of gummy bears cost $450. How many pounds of bears can you get for $50?

What is the proportion that can be used to represent the problem?

If 50 is 25% of a number, what is the number?

• 200

• 100

• 150

• 250

Answer explanation

To find the number, divide 50 by 25% (or 0.25). 50 ÷ 0.25 = 200. Therefore, the number is 200.

Joy reads 35 pages of a novel in 2 hours. At that rate, how many pages will he read in 6 hours?

• 70

• 105

• 210

• 420

If 8 is 40% of a number, what is the number?

• 20

• 10

• 15

• 25

Answer explanation

To find the number, divide 8 by 0.40 (40%). 8 ÷ 0.40 = 20. Therefore, the number is 20.

A quarterback completed 68% of his passes in a game. He threw 25 passes. How many passes did the quarterback complete?

• 18

• 17

• 15

• 20