蓝书上158页165题

chongov · 发表于 2010-8-14 11:43:57

165. A merchant purchased a jacket for $60 and then determined a selling price that equalled 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?
正确答案：$4
我选的选项：$0
60×1.25×（1-0.2）＝60，那商人应该是一点钱都没赚到才对啊

Devil3 · 发表于 2010-8-14 12:36:34

加油加油~因为恰好我也正好刚做完小蓝~呵呵

chongov · 发表于 2010-8-14 11:58:37

理解了，看来之前粗心大意过头了啊

谢谢

Devil3 · 发表于 2010-8-14 11:48:47

设SELLING PRICE为x
25%x+60=x
x=80
之后又打了8折，于是80*0.8=64
所以64-60=4

蓝书上158页165题

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