标题: 求助一道problem solving的题，谢谢~ [打印本页] 作者: 娜娜的小耳朵 时间: 2010-10-7 01:13 标题: 求助一道problem solving的题，谢谢~ A merchant purchased a jacket for $60 and then determined a selling price tht equalled thye 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? A.$0 B.$3 C.$4 D.$12 E.$15作者: yzg1236 时间: 2010-10-7 02:10
成本 60， 设卖价P, 根据第二句话 “determined a selling price tht equalled thye purchase price of the jacket plus a markup that was 25 percent of the selling price”
P = 60 + P/4 得 P = 80
然后又 “merchant discounted the selling price by 20 percent and sold the jacket”