Name:    Try It Out -- Chapter 2, Lesson 7

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

1.

Estimate, and then calculate:

23 % of 80
 a. 20 c. 18.4 b. 42.32 d. 28.75

2.

Estimate, and then calculate.
18.5% of  = 46.25
 a. 40 c. 2500 b. 8.6 d. 250

3.

Estimate, and then calculate.

= %
 a. 78% b. 87% c. 86%

4.

Ali got 38 out of 40 on her last math test. Write a proportion that you could use to determine what % Ali got on the test.

 a. b. c.

5.

Use the correct proportion from Question 4 to determine what % Ali got on the test.
 a. 38% c. 15.2% b. 95% d. 98%

6.

In Christopher’s class, 92% of all the students in the class have Internet access at home.  If his class has a total of 25 students, how many students have Internet access?
Write a proportion that you could use to solve the problem.
 a. b. c.

7.

Use the correct proportion from Question 6 to determine the number of students in Christopher’s class that have internet access at home.
 a. 27 students b. 24 students c. 23 students

8.

Robert is saving for a new computer.  He plans on depositing 20% of his weekly paycheque into his savings account.  Last week he deposited \$99.44 into his savings account.  How much was his weekly pay?

Write a proportion that you could use to solve the problem.
 a. b. c.

9.

Use the correct proportion from Question 8 to determine how much Robert’s weekly pay was.
 a. \$497.20 b. \$19.89 c. \$79.55

10.

Dory bought herself a dress on sale for 25% off and saved \$9.00.  How much did the dress cost originally?
 a. \$27 b. \$2.25 c. \$36