# Chapter 7 Test ```Chapter 7 Test
Use the percent equation to answer the question.
1. 24 is what percent of 40?
14. At the end of the summer, lawn furniture selling at
a market price of \$368 is on sale for 23% off. What
is the amount of the discount?
3. 12 is 20% of what number?
15. A store gives customers a markup of 13%. If the
store sells a belt for \$25, what was the wholesale
price paid for the belt by the store?
4. What is a salesperson's commission on a \$1000 sale
if the commission rate is 20%?
16. A man buys 12 shirts at \$24.69 each. There is also a
6% sales tax. Find his total bill. Use a calculator.
2. What number is 3.4% of 210?
Identify the percent of change as an increase or a
decrease. Then find the percent of change.
necessary.
Use the simple interest formula to find the
unknown quantity.
17.
5. Original: 30
New: 50
6. Original: 73
New: 48
Find the new amount.
7. Increase 30 by 80%.
8. Decrease 40 by 20%.
18. Sylvia bought a \$900 certificate of deposit that
earns simple annual interest. At the end of 6
months, she received \$45 interest. What annual rate
of interest did the certificate pay?
19. Michael put \$6000 in a savings account that earns
simple annual interest. At the end of one year the
in interest. What was the
annual interest rate on the account?
Use the given information to find the new
amount.
9. Original price: \$15
Discount percent: 30%
10. Original price: \$14.57
Markup percent: 105%
11. An article regularly selling for \$87.97 is advertised
at 55% off. Find the sale price to the nearest cent.
12. Use the given information to find the original price.
Retail price: \$540
Markup percent: 125%
13. A department store purchases a dress for \$110. To
sell the dress to customers, the price is increased by
16%. What is the new price of the dress?
\$1800
\$3200
?
9 years
For an account that earns interest compounded
annually, find the balance of the account.
20.
21. Jerome deposited \$
into an account that earns
% interest compounded annually. Find the balance
after years.
22. You are one of 16 finalists on a game show. One
finalist is randomly selected to answer a trivia
question for a prize. What is the probability that
percent.
23. On a math test, you obtained a score of 66 points.
This was
of the total number of points on the
test. How many total points were on the test?
24. You want to order a new computer. The
manufacturer is offering a discount of
off the
original price of the computer. With the discount,
you pay \$924. What is the original price of the
computer?
25. You deposit \$4280 into a savings account that earns
interest compounded annually. Use a
calculator to find the balance of the account after 8
Chapter 7 Test
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
60%
7.14
60
\$200
increase, 66.7%
decrease, 34.2%
54
32
\$10.50
\$29.87
\$39.59
\$240
\$127.60
\$84.64
\$22.12
\$314.06
6.25%
10%
9.5%
\$442.86
\$7384.30
75 points
\$1050
\$4917.21
```