2. 外语
  3. A merchant purchased a jacket for ＄60 and then determined a selling price that equaled the purchase price of the jacket plus a m

A merchant purchased a jacket for ＄60 and then determined a selling price that equaled the purchase price of the jacket plus a m

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问题 A merchant purchased a jacket for ＄60 and then determined a selling price that equaled the purchase price of the jacket plus a markup that was 25 percent of the selling price．During a sale，the merchant discounted the selling price by 20 percent and sold the jacket．What was the merchant’s gross profit on this sale?
选项 A、＄0
B、＄3
C、＄4
D、＄12
E、＄15
答案C
解析 The purchase price, in dollars, of the jacket was 60. If S represents the selling price, in dollars, then S = 60 + 0.25S, from which S = 80. During the sale, the discounted selling price, in dollars, was 0.8(80) = 64, so the merchant’s gross profit, in dollars, was 64 - 60 = 4.
The correct answer is C.
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