Percent Challenge Problems

14 is 20% of what number?

• 70

• 65

• 75

• 20

34% of what number is 51?

• 69

• 71

• 151

• 196

The movie theater has 250 seats. 225 seats were sold for the current showing. What percent of seats are empty?

• 10%

• 20%

• 80%

• 90%

Challenge!
A baseball pitcher won 80% of the games he pitched. If he pitched 35 ballgames, how many games did he win?

• 19

• 21

• 35

• 28

A student earned an 80% on a math test that had 20 problems.  How many problems on the test did the student answer correctly?

• 20

• 4

• 16

• 12

If 20% of a number is 12, then what is 30% of the same number?

If 25% of n is 18, then what is 125% of n?

Find x if 20% of x equals 12% of (x+20)!

Three bags of jelly beans contain 26, 28, and 30 beans. In each bag, the percent of the beans that are yellow is 50%, 25%, and 20%, respectively. All three bags of candy are dumped into one bowl. What percent of the beans in the bowl are yellow? Round your answer to the nearest integer.

Cody and Tyler were once the same height. Since then, Tyler has grown 20%, while Cody has grown half as much as Tyler. Cody’s height is now 5 feet, 6 inches. How tall is Tyler now? (in feet) (note: 1 foot = 12 inches)