Name:    Lesson 5: Calculating with Percents

1.

Calculate.
26% of 80
 a. 20 b. 41.6 c. 18.4 d. 20.8

2.

Calculate.
16.5% of  ____  = 74.25
 a. 250 b. 400 c. 450 d. 200

3.

Calculate. = ____ %
 a. 62.5% b. 26.5% c. 65.2% d. 56.2%

4.

Kim got 52 out of 60 on her last test. Write a proportion that you could use to determine what percent Kim got on her test.
 a. b. c. d. 5.

Use the correct proportion from question 4 to determine what percent Kim got on her test.
 a. 15.4% b. 59% c. 86.7% d. 31.2%

6.

In Craig’s class, 90% of all the students have MP3 players. If his class has a total of 30 students, which proportion could you use to determine how many students have MP3 players?
 a. b. c. d. 7.

Use the correct proportion from question 6 to determine the number of students in Craig’s class that have MP3 players.
 a. 27 students b. 25 students c. 28 students d. 26 students

8.

Gail is saving for a new computer. She plans on depositing 20% of her weekly paycheque into her savings account. Last week she deposited \$88.55 into her account. Which proportion could you use to determine how much her weekly pay was?
 a. b. c. d. 9.

Use the proportion from question 8 to determine how much Gail’s weekly pay was.
 a. \$177.10 b. \$221.38 c. \$442.75 d. \$225.86

10.

Robert bought himself a suit on sale for 25% off and saved \$39.00. How much did the suit cost originally?
 a. \$156 b. \$199 c. \$219 d. \$190