MATH 081 FINAL 6/00 (reformatted 10/03)PRACTICE TEST 2
Study this practice test thoroughly before taking your test. You must receive at least 70% to pass the test, which is similar to this practice test. You may use a calculator for this test.
Give all answers in simplest form.
1. Write as a fraction in simplest form:
2. _____
3. In order to ride the King Kong roller coaster, a person must be at
least feet tall. Susie is feet tall. How much will she have to grow in order to be able to ride the King Kong roller coaster?
4. 5 = _____
5. _____
6. Round off to the nearest tenth: 647.861
7. If a basketball court is 92 feet long, how many floor
boards will it take to cover the floor?
8. Fill in the blank with =, <, or >58.48 _____ 58.476
9. Two pizzas and a tip are $16.83. How much change should you
receive from a $20 bill?
10. A carton of Sluggo ice cream costs $1.50. How many
cartons can you buy for $18?
11. A jar contains red and blue jelly beans. The total number of jelly
beans is 64. If the jar has 27 red jelly beans, what is the ratio of red to blue jelly beans?
MATH 081 FINAL - PRACTICE TEST 2
12. Solve for B:
13. Burger Baron has a special: 2 Flopper sandwiches for $1.65.
How many Floppers can you buy for $11.55?
14. Write 23.6% as a decimal.
15. of all math majors are women. What percentage is this? Do not round off.
16. What percent of 42 is 24?
17. 37.5% of 80 is what number?
18. 48 is 16% of what number?
19. 6% of Hurts Rent-a-Car’s 450 cars have no air conditioning. How many of Hurts’ cars have no air conditioning?
20. If you buy a motorcycle for $1000 down and $350 per month, how much have you paid after 12 months?
21. The closing prices of a utility stock for five days were
$36.25, $35.75, $36.50, $36.00, and $37.20. Find the mean closing price.
22.The number of requests for a conference room at a hotel during a
seven-day period were 46, 18, 29, 20, 48, 38, and 24. Find the median number of requests.
23. The number of miles driven during each of five days of a business trip was
107, 96, 151, 107, and 99. Find the mode.
MATH 081 FINAL - PRACTICE TEST 2
24.Convert:
a. 500 ml = _____ l
b. 47 m = _____ mm
c. 2000 kg = _____ g
25.Convert:
a. 18 gal = _____ qts
b. 72 in = _____ ft
c. 36 ft = _____ yds
26. Evaluate 6 + 7 . 4
27. Evaluate 8 ( 9 – 3x ) when x = 2
28. Simplify 3 – 5 ( x + 4 )
29. 7 – ( -10 ) – 3 =
30. 6 ( -2 ) ( 7 ) =
31. (-2)5 =
32. Simplify x2. x =
33. Simplify (2 + 7x) – (8 – x)
34. Simplify (5 – 3x) – 2 (4x – 6)
35. Solve for x: x – 4 = 1
36. Solve for x: 8x + 4 = -20
37. Solve for x: 6 (x – 5) = x – 15
MATH 081 FINAL - PRACTICE TEST 2 SOLUTIONS
2. 9 borrow 1 from 9 and change it to 8
–4 –4
4
3.443
–3–3–3
4. = x =
5. x =
6. 647.9
8. Line up vertically58.480 larger So, 58.48 > 58.476
58.476
9. 20.00
- 16.83
3.17
10. 18 1.50 = 12
11.
MATH 081 FINAL - PRACTICE TEST 2 SOLUTIONS
12. 5 . B = 11 . 7
5B = 77
B = = 15
13. = 1.65N = 2(11.55) N = = 14
14. .236
15. Calculate , then change to a percent: 60%.
16. N . 42 = 24N = 24 42 = .5714 = 57.14%
The nearest whole percent is 57%.
17. .375 ( 80 ) = NN = 30
18. 48 = .16 . N = NN = 300
19. N = .06 ( 450 ) = 27
20. 1000 + 12 ( 350 ) = 1000 + 4200 = 5200
21.Mean =
=
= $36.34
22.First arrange from smallest to largest.
18, 20, 24, 29, 38, 46, 48
Then choose the middle number.
Median = 29
23. Choose the number that occurs most frequently.
Mode = 107
MATH 081 FINAL - PRACTICE TEST 2 SOLUTIONS
g
24. kilo hecto deka m deci centi milli
L
a. L dL cL mL
3 2 1
3 left
.5 0 0. mL = .500 L
3 2 1
3 left
b. m dm cm mm
1 2 3
3 right
4 7.0 0 0. m = 47,000 mm
1 2 3
3 right
c. kg hg dag g
1 2 3
3 right
2000.0 0 0. kg = 2,000,000 g
1 2 3
3 right
MATH 081 FINAL - PRACTICE TEST 2 SOLUTIONS
25.
26. 6 + 28 = 34
27. 8(9 – 3 . 2) = 8(9 – 6) = 8(3) = 24
28. 3 – 5x – 20 = 3 – 20 – 5x = -17 – 5x
29. 7 + 10 – 3 = 17 – 3 = 14
30. -12 ( 7 ) = -84
31. (-2)5 = -2 . -2 . -2 . -2 . -2 = -32
32. (x2. x) = x2. x1 = x3
33. 2 + 7x – 8 + x = 2 – 8 + 7x + x = -6 + 8x
34. 5 – 3x – 8x + 12 = 5 + 12 – 3x – 8x = 17 – 11x
35. x – 4 = 1
x – 4 + 4 = 1 + 4
x = 5
36. 8x = -24
x = -3
37. 6x – 30 = x – 15
5x – 30 = -15
5x = 15
x = 3
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