Name _____________________________ Date ___________

MAT 0012C  CHAPTER 7 QUIZ

Show all work on the scrap paper and write the solutions on the blank provided.  If work is not shown, points will not be awarded.

1.  Change each percent to decimal.

a.  67% = ________________

b.  12.3% = ______________

c.  9ľ% = _______________

2.  Change each fraction to percent.

a.  1/4 = _______________

b.  5/8 = _______________

c.  3/25 = ______________

3.  Change each decimal to a percent.

a. 0.19 = ______________

b. 3.47 = ______________

c. 0.005 = _____________

4.  Change each percent to fraction in the lowest terms.

a.  55% = ____________

b.  0.01% = __________

c.  125% = ___________

5.  Solve each percent problem.

a.  16% of what number is 20? __________________

b.  What is 0.05% of 60,000? ____________________

c.  1.4 is what percent of 80? _____________________

6.  If the sales tax is \$492 on the purchase of an automobile priced at \$12, 300, what is the sales tax rate? _________________

7.  If the commission rate is 6%, find the commission earned by an appliance salesperson that sells a washer machine for \$369.97 and a dryer for \$299.97.    _____________

8.  Experimenting with a new brand of gasoline in her truck, a woman found that the gas mileage fell from 18.8 to 17.0 miles per gallon. What percent of decrease is this? (Round to nearest tenth of percent)   ____________

9.  A couple borrows \$1,500 for 2 years at 7ľ % and decides to repay the loan by making 12 equal monthly payments.  How much will each monthly payment be?   ______________

10.  Find the amount that will be in a savings account at the end of 5 years, if a deposit of \$5,000 earns interest at an annual rate of 6.5 %?    ______________