Name:    Chapter 3 Pre 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.

Solve the linear equation for x.
 a. b. c. d. e. 3.

Solve the linear equation for x.
 a. b. c. d. e. there is no solution

4.

Solve the equation for x. Round your answer to two decimal places.
 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.

To determine the number of quarts of a 20% acid solution that must be mixed with a 55% acid solution to obtain 70 quarts of a 33% acid solution, you must solve the equation . How many quarts of the 20% acid solution should be included in this situation?
 a. quarts b. quarts c. quarts d. quarts e. quarts

8.

Convert the decimal 2.74 to a percent.
 a. 274% b. 27.4% c. 0.274% d. 0.0274% e. 2.74%

9.

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

13,000 pounds to 3 tons
 a. b. c. d. e. 10.

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

11.

Suppose you have \$28 of state tax withheld from your paycheck per week when your gross pay is \$710. Find the ratio of tax to gross pay.
 a. b. c. d. e. 12.

The volume of a right circular cylinder is . Find the volume of a right circular cylinder that has a radius of 5 meters and a height of 3 meters. Round to two decimal places, and include the units in the answer.
 a. b. c. d. e. 13.

Find the volume of the rectangular solid. Include the units in the answer. 10 in. 8 in.2 in.

 a. b. c. d. e. 14.

If an object traveled 446 feet in 25 seconds, what was the object's rate? Include the units in the answer.
 a. b. c. d. e. 15.

A circle has a circumference of 38 meters. What is the radius of the circle (in meters)? Round your answer to two decimal places. Include the units in the answer.
 a. 238.76 meters b. 12.1 meters c. 3.02 meters d. 114.91 meters e. 6.05 meters

16.

Suppose an Olympic-size swimming pool in the shape of a rectangular solid has a volume of 3240 cubic meters, a length of 50 meters, and a width of 24 meters. What is the depth of the pool? Round your answer to one decimal place.
 a. 6.4 meters b. 4.4 meters c. 1.7 meters d. 3.7 meters e. 2.7 meters

17.

You have a balance of \$650 on your credit card that you cannot pay this month. The annual interest rate on an unpaid balance is 20%. Find the lump sum of principal and interest due in one month. Round to the nearest cent.
 a. \$780.00 b. \$660.83 c. \$630.13 d. \$1083.33 e. \$590.13

18.

Determine the average speed of a jogger who jogs 7.5 miles in 1.5 hours. Include the units in the answer.
 a. 5 miles per hour b. 0.2 mile per hour c. 11.25 miles per hour d. 7.5 miles per hour e. 2.5 miles per hour

19.

Determine the numbers of units of solution 2 required to obtain the desired percent alcohol concentration of the final solution from the data shown below. Round your answer to the nearest integer.

 Concentration Solution 1 Amount of Solution 1 Concentration Solution 2 Concentration Final Solution 30% 45 gal 50% 45%
 a. 3 gallons b. 36 gallons c. 135 gallons d. 39 gallons e. 182 gallons

20.

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