Name:    Chapter 3 Post Test

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

1.

Solve the linear equation for x.
 a. b. c. d. e. 2.

The perimeter of a rectangle is inches. The length of the rectangle is times its width. Find the dimensions of the rectangle.
 a. length: incheswidth: inches b. length: incheswidth: inches c. length: incheswidth: inches d. length: incheswidth: inches e. length: incheswidth: inches

3.

Solve the linear equation for x.
 a. b. c. d. e. 4.

Use cross-multiplication to solve the equation for x.
 a. b. c. d. e. 5.

Solve the equation for x. Round your answer to two decimal places.
 a. b. c. d. e. 6.

Solve the equation for x. Round your answer to two decimal places.
 a. b. c. d. e. 7.

Convert 33.5% to a fraction.
 a. b. c. d. e. 8.

Convert % to a fraction.
 a. b. c. d. e. 9.

Write the ratio as a fraction in simplest form.
 a. b. c. d. e. 10.

Find a ratio that compares the relative sizes of the quantities.

11 inches to 8 feet
 a. b. c. d. e. 11.

Find the unit price (in dollars per ounce) if a 21-ounce can of pineapple costs \$3.36.
 a. \$0.21 per ounce b. \$0.23 per ounce c. \$0.16 per ounce d. \$0.18 per ounce e. \$0.19 per ounce

12.

Solve the proportion to determine x.
 a. b. c. d. e. 13.

If an object traveled 230 miles at a rate of 25 miles per hour, how long (in hours) did it take to travel this distance?
 a. 9.7 hours b. 0.11 hour c. 5750 hours d. 9.2 hours e. 7.7 hours

14.

Suppose \$12,000 is borrowed for 5 years and is to be paid back with interest in one lump sum. If the annual interest rate is 8%, what will the lump sum payment be?
 a. \$16,800.00 b. \$492,000.00 c. \$16,100.00 d. \$17,400.00 e. \$4,800.00

15.

Suppose \$7000 is divided between two investments earning 9% and 5% simple interest. Over the course of a year the two accounts earned a total of \$554. How much was invested in each account?
 a. 1900 in the account earning 9%5100 in the account earning 5% b. 4600 in the account earning 9%2400 in the account earning 5% c. 5100 in the account earning 9%1900 in the account earning 5% d. 3500 in the account earning 9%3500 in the account earning 5% e. 2400 in the account earning 9%4600 in the account earning 5%

16.

Two cars start at the same point and travel in the same direction at average speeds of 60 miles per hour and 40 miles per hour. How much time (in hours) must elapse before the two cars are 60 miles apart?
 a. 3.00 hours b. 0.60 hour c. 1.00 hour d. 1.50 hours e. 2.50 hours

17.

Which inequality has the graph that is shown? a. b. c. d. e. 18.

Which inequality has the graph that is shown? a. b. c. d. e. 19.

Solve the inequality .

 a. b. c. d. e. 20.

A cell phone company offers two text messaging plans. With the first plan, you can send an unlimited number of text messages for a month. With the second plan, you can send text messages for and then pay for every additional message sent. How many text messages must be sent in a month for the first plan to be less expensive than the second plan?
 a. b. c. d. e. 