epdf.pub_cbest-cliffs-test-prep13a9b242c7cb4125e6cca92d00a73d5a41681

Answers and Complete Explanations for Practice Test 1
13. A. Solving the equation
3
y = 18
3
y =
18
1
Cross multiply 18y
= 3
y= 3 ⁄18
Therefore y = 1 ⁄6
y + 2 = 1 ⁄6 + 2= 2
1 ⁄6
14. E. First change 2 feet 6 inches to 2 1 ⁄2 feet. Next, since there are 30 students, multiply
2 1 ⁄2 ×30. If you change 2 1 ⁄2 to 5 ⁄2 you can cancel as follows:
1
5
2
15
30
#
1
= 75
feet
Note: Choices A and B are unrealistic and can be quickly eliminated.
15. E. If the color television is marked down 20%, then its current price is 80% of its original
price. Thus, . 80P
= $ 320.
16. D. Each square is 10 # 10, so the area of each square equals 100 square feet.
To answer this question, add up the total number of shaded squares. You have 25 whole
squares shaded and two half-squares shaded so you have a total of 26 shaded squares.
Now multiply this by 100 and you get
26 # 100 = 2,
600 square feet.
100
90
80
70
60
Feet
50
40
30
20
10
0
10 20 30 40 50 60 70 80 90 100
Feet
17. D. Since Kim can mow 8 lawns in one day, Kim mowed an average of 160 lawns each
month. So the most lawns Kim could have mowed in a year is 12 160 # , or 1,920.
269