A-A+
A consumer insulates a house with material bou
问题详情
A consumer insulates a house with material bought at 20 percent off the list price of $370. If the consumer also receives a rebate of $25 from the manufacturer of the material, how much does the material cost the consumer?
A.$238
B.$240
C.$263
D.$271
E.$325请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:D
解析:一名装修房子的消费者以20%的折扣买了标价为370美元的材料,若该消费者同时还从材料制造商那里获得$25回扣,问这个消费者买材料花了多少钱?解:本题的正确答案是(D)。“20%offthelistingprice”指打了20%的折,等同于atadiscountof20%,由题意可得该消费者买材料花的钱为:370×(1-20%)-25=271