2. 外语
  3. The regular price of a certain car is $10,000. If the price is discounted by 20 percent during the first week and the reduced pr

The regular price of a certain car is $10,000. If the price is discounted by 20 percent during the first week and the reduced pr

admin2022-05-18  36
问题 The regular price of a certain car is $10,000. If the price is discounted by 20 percent during the first week and the reduced price is then discounted by 5 percent during the next week, how much money could one have saved by purchasing this kind of car at the price now rather than at the regular price?
选项 A、$2500
B、$7600
C、$7500
D、$2600
E、$2400
答案E
解析 设原先的价格是x，那么第一次打折后是0.8x，第二次打折后是0.8x×0.95=0.76x，所以最后折扣是24％，因此客户能够节省$2400。正确答案为E。
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