epdf.pub_cbest-cliffs-test-prep13a9b242c7cb4125e6cca92d00a73d5a41681

Answers and Complete Explanations for Practice Test 1
43. E. To find the answer, first add up the figures given for 9 th , 10 th , and 12 th grades.
9 th 267
10 th 176
12 th 139
582
Next, subtract this number (582) from the total enrollment.
688
-582
106 =11 th grade enrollment
44. E. Since Robert’s four paychecks total $840, the average of the four paychecks is $210. If
the largest is $100 more than the average, the largest paycheck is $310, and if the largest
is $200 more than the smallest, the smallest paycheck must be $110. You cannot determine,
however, the second or third largest paycheck.
45. B. To calculate total surface area of a rectangular solid, you must find the area of each of
six faces. One face is m# 6m. Note that the face directly opposite that face also equals
7m# 6m. The same is true with the other two different faces. Therefore, each of the areas
of the three different faces must be doubled and added together.
3m
7m
6m
46. D. First add the value of one of each coin:
$1.00 + $.50 + $.25 + $.10 + $.05 + $.01 = $1.91
That leaves $9.15 – $1.91, or $7.24, for the rest of the quarters:
$ 724 .
. 25 = 28
24
⁄25, or 28 additional quarters
Add the 28 additional quarters to the 1 original quarter. Thus, 29 is the largest number of
quarters she can have.
47. A. You want to find how many groups of 16 it takes to make 400, so divide 16 into 400.
16g400
25
32
80
80
0
48. E. Answer E is not equivalent to 800, since ^2 # 4h+ ^5 # 20h= ^8h+ ^100h = 108.
49. D. There were 4 days (July 10, 11, 14, and 15) on which the maximum temperature exceeded
the average; thus, 4 ⁄7 is approximately 57%.
50. C. The maximum temperature rose from 86° to 94° from July 13 to July 14. This was the
greatest increase.
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