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5. At a certain diner, a hamburger and coleslaw cost $3.59, and a hamburger and french fries cost $4.40. If french fries cost twice as much as coleslaw, how much do french fries cost? (A) $0.30 (B) $0.45 (C) $0.60 (D) $0.75 (E) $0.90 The answer is E while my answer is 1.62, not in the list. (a/b)/c 7. In the expression above, a, b, and c are different numbers and each is one of the numbers 2, 3, or 5. What is the least possible value of the expression? (A) 1/30 (B) 2/15 (C) 1/6 (D) 3/10 (E) 5/6 The answer is B. I have no idea at all. I guess the answer should be either A or C.
16. There were 36.000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paperback copy was sold until the last copy of the novel was sold. 9 times as many paperback copies as hardback copies were sold. If a total of 441.000 copies of the novel were sold in all, how many paperback copies were sold? (A)45.000 (B) 360.000 (C) 364.500 (D) 392.000 (E) 396.900 The answer is C while my answer is B. What is the unit of 36.000? $?
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发表于 2006-12-28 04:29:00
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