Name:    Chapter 6 Test

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

Write the decimal as a percent.

1.

3.23
 a. 3.23% c. 0.0323% b. 32.3% d. 323%

2.

0.79
 a. 79% c. 0.79% b. 790% d. 7.9%

3.

0.618
 a. 6.18% c. 618% b. 61.8% d. 0.618%

Write the percent as a decimal.

4.

9%
 a. 9 c. 0.09 b. 0.009 d. 0.9

5.

57.7%
 a. 5.77 c. 0.0577 b. 0.577 d. 57.7

6.

0.02%
 a. 2 c. 0.002 b. 0.02 d. 0.0002

Use a number line to order the numbers from least to greatest.

7.

65%, , 0.64
 a. 0.64, 65%, c. , 0.64, 65% b. , 65%, 0.64 d. 65%, 0.64,

8.

52%, , 0.53
 a. 52%, , 0.53 c. 0.53, , 52% b. , 0.53, 52% d. 52%, 0.53,

Tell which number is greater.

9.

34%,
 a. 34% b. They are equal. c.

10.

16%,
 a. b. They are equal. c. 16%

Write and solve a proportion to answer the question.

11.

is 60% of what number?
 a. ; w = c. ; w = b. ; w = d. ; w =

12.

What number is 25% of ?
 a. ; w = c. ; w = b. ; a = d. ; a =

13.

What percent of 75 is 24?
 a. ; p = 32 c. ; p = 312.5 b. ; p = 18 d. ; p = 18

Write and solve an equation to answer the question.

14.

27 is what percent of 45?
 a. 55% c. 166.67% b. 63% d. 60%

15.

A club raised 175% of its goal for a charity. The club raised \$763. What was the goal?
 a. \$437 c. \$1335.25 b. \$436 d. \$1347.25

Find the cost to store, percent of markup, or selling price.

16.

Cost to store: \$90
Markup: 100%
Selling price:   ?
 a. \$175 c. \$190 b. \$185 d. \$180

17.

A jacket with an original price of \$49.30 is discounted 30%. What is the sale price?
 a. \$14.79 c. \$19.30 b. \$34.51 d. \$37.51

Find the annual interest rate.

18.

I = \$30, P = \$100, t = 6 years
 a. 5% c. 30% b. 0.05% d. 4%

Find the amount of time.

19.

I = \$70, P = \$350, r = 2%
 a. 0.1 year c. 8 years b. 10 years d. 11 years

Numeric Response

1.

You buy a wristwatch for \$31.68, which includes a 5.6% sales tax. You received a discount of 40% off the original price. What is the original price?

2.

After 8 years at 4% simple interest per year, your savings account earns \$80.00. What is the principal?

Identify the percent of change as an increase or decrease. Then find the percent of change. Round to the nearest tenth of a percent, if necessary.

1.

24 ounces to 30 ounces

2.

24 miles to 11 miles