A.48% B.24% C.17% D.9% E.4%
87. T is no more than 20 percent greater than the integer x, and T is no smaller than a number 20 percent less than the integer x. If T = 60, which of the following indicates the smallest possible interval for x?
A.40 80 B. 4875 C. 4872 D. 5078 E. 5075
88.The average of w, x, and y is 9.
Column A: The average of 2w y, 3x+6, and 3y-x
Column B: 20
answer:C
89. Rack A holds 80 pairs of slacks with prices ranging from $12 to $15 a pair, and rack B holds 60 pairs of slacks with prices ranging from $13 to $18 a pair. If all the slacks are sold, what is the greatest amount by which the revenue from the sale of slacks on rack B?
A.$430 B.$412 C.$122 D.$120 E.$112
90.Column A:
Column B: 4x2+6xy+9y2
answer: D
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