Test 3B KEY - WordPress.com

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/Volumes/102/GO00864_AM_R1/MIDDLE_SCHOOL_MATH/NATIONAL/ANCILLARY...
NAME _____________________________________________ DATE __________________ PERIOD _________
Test, Form 3B
SCORE _________
Find each number.
1. 16% of 95 is what number?
1.
15.2
2. 47 is 0.5% of what number?
2.
9,400
3. 6 is what percent of 96?
3.
6.25%
1
% of 201.
4. Estimate −
4.
40
5. Estimate 19% of 112.
5.
22
6. Estimate 306% of 25.
.
6. 3 25 = 75
5
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
For Exercises 7 and 8, write an equation for each
problem. Then solve. Round to the nearest tenth.
14 = n .
70; 20%
7. 14 is what percent of 70?
7.
8. 65% of what number is 39?
.
8. 0.65 w = 39;
9. Kelsey read 75% of the 40 books she bought. How many books
has Kelsey completed?
9. 30 books
w = 60
10. Victor estimates that he will spend $175 on new video games. He
actually spent $225. What is the percent error? Round to the
nearest whole percent.
10.
29%
11. Sheila predicts that 480 people will attend the fall concert. There
was an actual total of 350 people who attended the fall concert.
What is the percent error? Round to the nearest whole percent.
11.
37%
12. Suzanne and Michael each sell slices of pizza at the basketball
games. The table shows how much they charge for a slice of pizza
including markup for supplies and the number of slices sold. Who
made more profit? Explain.
Cost of
Popcorn
Markup
Slices of Pizza
Sold
Suzanne
$2.00
5%
34
Michael
$2.25
4%
30
Suzanne;
Suzanne’s:
2.00 × 0.05 +
2.00 = 2.10 ×
34 = $71.40;
Michael’s:
2.25 × 0.04 +
2.25 = 2.34 ×
12. 30 = $70.20
47
Course 2 • Chapter 2 Percents
P rinter P DF
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NAME _____________________________________________ DATE __________________ PERIOD _________
Test, Form 3B
SCORE _________
(continued)
Find each percent of change. Round to the nearest whole
percent. State whether the percent of change is an increase
or a decrease.
14. 6,520 to 9,408
83%
decrease
13.
44%
increase
14.
15. The price of a dozen cookies at a bake sale last year was $2. This
year the price for a dozen of cookies was $5. What is the percent
of change?
150%
increase
15.
16. Five years ago, one share of a stock was worth $28.00. Today,
one share of the stock is worth $62.00. What was the percent of
change?
121%
increase
16.
17. If the regular price of a new T-shirt is $13.95 and the sale price is
$10.00, find the percent of decrease to the nearest whole percent.
17.
28%
18. $14.95 dinner; 15% tip
18.
$17.19
1
% tax
19. $27.99 shoes; 7 −
19.
$30.09
20. $16.99 cap; 20% discount
20.
$13.59
21. $25.00 game ticket; 5.5% tax
21.
$26.38
22. $2,620, 3%, 5 years
22.
$393.00
23. $152, 2.5%, 18 months
23.
1
%, 2 years
24. $72.80, 4 −
24.
25. Mrs. Martin deposits $2,350 in a money market account. Her
account earns an interest rate of 18%. If she does not deposit
or withdraw any money from the account, how much will
Mrs. Martin have in the account at the end of six months?
25.
13. $210 to $35
Find the total cost or sale price to the nearest cent.
2
4
48
$5.70
$6.19
$2,561.50
Course 2 • Chapter 2 Percents
P rinter P DF
Copyright © The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.
Find the simple interest paid to the nearest cent for each
principal, interest rate, and time.