Unit 4 Review

Which option shows the correct fraction and decimal for 45%?

• 45/100 , 0.45

• 45/100 , 4.5

• 45/1000 , 0.45

• 45/100 , 0.045

What is 35% of 80.

• 28

• 27

• 2,800

• 2,700

Janice bought a new coat that was $75. If she had a coupon for 15% off, what price did she pay for the coat?

• $11.25

• $63.75

• $62.75

• $76.25

George went to a restaurant and spent $12.50 on his meal, including tax. If the waiter was good, and he gave a 20% tip, what is the grand total of his meal?

• $2.50

• $15

• $10

• $25

Michael started the week with 8 code tickets and ended with 10. By what percent did his code tickets increase?

• 2%

• 0.25%

• 20%

• 25%

Hannah thought she would score 15 points at her next basketball game. She actually scored 18 points. What is the percent error?

• 3 points

• 20%

• 16.7%

• 18.9%

Before starting 6th grade, Jerry was 55 inches tall. Before starting 7th grade, he was 64 inches tall. What is the percent change in his height?

• 16.4%

• 0.164%

• 14%

• 0.14%

Sydney thought her favorite music group would win 3 Grammy awards, but they actually won 1. What is the percent error?

• 2%

• 20%

• 200%

• 66.7%

There were 8 college basketball games on ESPN on Saturday. Jay Bilas correctly predicted the winner of 7 of those games. What percent did he correctly guess?

• 87.5%

• 0.875%

• 0.143%

• 14.3%

What is 4.5% written as a decimal?

• 0.045

• 0.45

• 4.5

• 0.0045