PP-PS1完整詳解版-V2[1].0

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Unformatted text preview: ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 54. 6787­!­item­!­187;#058&005232 An auction house charges a commission of 15 percent on the first $50,000 of the sale price of an item, plus 10 percent on the amount of the sale price in excess of $50,000. What was the sale price of a painting for which the auction house charged a total commission of $24,000 ? (A) $115,000 (B) $160,000 (C) $215,000 (D) $240,000 (E) $365,000 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 由由由由C 由由由由 plus 10 percent on the amount of the sale price in excess of $50,000 由由50000由由由由10% 由the amount of the sale price 由x 50000×15由由(x­50000)×(10由)由24000 X由215000 ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ 55. 6892­!­item­!­187;#058&005291 Which of the following inequalities has a solution set that, when graphed on the number line, is a single line segment of finite length? (A) X4 ≧ 1 (B) X3 ≦ 27 (C) X2 ≧ 16 (D) 2 ≦ |X| ≦ 5 (E) 2 ≦ 3X + 4 ≦ 6 56. 6998­!­item­!­187;#058&005424 A small water pump would take 2 hours to fill an empty tank. A larger pump would take 1/2 hour to fill the same tank. How many hours would it take both pumps, working at their respective constant rates, to fill the empty tank if they began pumping at the same time? (A) 1/4 (B) 1/3 (C) 2/5 (D) 5/4 (E) 3/2 57. 7044­!­item­!­187;#058&005427 If n is a multiple of 5 and n = ( p 2 ) q , where p and q are prime numbers, which of the following must rt be a multiple of 25 ? p2 2 (B) q (C) pq (A) p 2q 2 3 (E) p q (D) ­­­­­­­­­­­­­­­...
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This note was uploaded on 12/05/2012 for the course BUSINESS Finance taught by Professor Zheng during the Winter '05 term at Xiamen University.

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