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.
Round your answer to the nearest tenth if
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
account had earned $
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
you will be selected? Write your answer as a
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
years. Round your answer to the nearest cent.
Chapter 7 Test
Answer Section
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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