Percent Proportions

What percent of 50 is 20?

• 40%
• 25%
• 2.5%
• 4%

78 is what percent of 450?

• 5%
• .17
• 17%
• 18%

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

• 10%
• 20%
• 80%
• 90%

A survey of 1,000 people was done by the New York Times. 80% of the people did not know the name of their representative in Congress. How many of the 1,000 people knew the name of the Congressman?

• 200
• 400
• 600
• 800

Bill is in a class of 15 boys and 35 girls. 40% of the students in the class take the bus to school. How many students do not take the bus to school?

• 15
• 20
• 30
• 35

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?

• 20%
• 40%
• 60%
• 80%

Eric earned 60 points on his last test. If there were 75 possible points, what was his percent grade?

• 20%
• 40%
• 60%
• 80%

Joey has 8 pairs of socks in his drawer. Five of them are white. What percent of colored socks does Joey have?

• 39

• 37.5

• 62.5

• 63

What is 2/5 as a percent? 

• 40%
• .40
• 25%
• 50%

• 45%

• 30%

• 15%

• 20%