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Test 3 Review
Math 0302
Solve.
8 1
1. y  
9 3
4. 2z 
5
12
7. Find the square root:
2.
1
3
a  
2
8
3.
4
x  8
7
5.
x
 x  6
3
6.
x 5
3
 
12 6
4
4
.
49
8. Find the unknown length in the right triangle. Round the length to the nearest thousandth.
9. Write the ratio as a fraction in simplest form: 16 inches to 24 inches.
Write the sentence as a proportion, and then determine whether the proportion is a true
proportion.
10. six is to eight as nine is to twelve
11. 6 eagles is to 58 sparrows as 3 eagles is to 29 sparrows
Solve.
5
x
12. 
4 20
13.
 15 10

x
4
14. One gallon of stain covers 200 square feet of fence or decking. If a fence panel is a
rectangle measuring six feet by eight feet, and a yard is surrounded by 25 fence panels, how
much stain should be purchased?
15. Write the percent as a decimal: 124.5%
16. Write the decimal as a percent: 0.72
17. Write the percent as a fraction or mixed number: 0.2%
18. Write the fraction or mixed number as a percent:
6
5
Translate to an equation and solve.
19. 67 is what percent of 50?
20. 60% of what number is 402?
Translate to a proportion and solve.
21. 104.5 is 25% of what number?
22. What number is 15% of 360?
Solve.
23. If a penny weighs 2.5 grams, and the amount of copper in a penny is 0.0625 grams, what
percent of a penny is made of copper?
24. In 2003, 5.5 million digital television sets were sold in the United States. By 2007, this
number had increased by 393%. How many digital television sets were sold in the United States
in 2007?
25. A dining set sells for $1099. If the sales tax rate is 8.25%, find the total cost of the set.
26. Susan is a beauty consultant for a home cosmetic business. She is paid a commission rate
of 12%. Find her commission if she sold $1638 in cosmetics last month.
27. Find the simple interest when the principal is $800, the rate is 9% and the time is 3 years.
28. A couple borrows $215,000 to buy a house. If the simple interest rate on the 30-year loan is
8.25%, find the interest paid on the loan and the total amount paid back.
Math 0302 Test 3 Review Answers
1.
11
9
5. 9
9.
2. 
7
8
6. -19
2
3
10.
13. x = -6
6 9

; true
8 12
3. -14
7.
2
7
11.
4.
5
24
8. 14.457 in.
6
3

; false 12. x = 25
58 29
14. 6 gallons
15. 1.245
16. 72%
18. 120%
19. 134%
20. 670
21. 418
22. 54
23. 2.5%
24. 21.615 million
25. $1189.67
26. $196.56
27. $216
17.
1
500
28. $532,125; $747,125