请高手帮忙解一道英文数学题
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/06/14 10:17:59
请高手帮忙解一道英文数学题
Two shops sell the same brand of chocolate at the same price . Today they both cut down its price. Shops A decreases the price by 30%, and increases by 30% after a week. Likewise, shop B decreases its price by 40%, and decreasesby 40% after a week. Are the prices of the chocolate at the two shops still the same after a week?
Two shops sell the same brand of chocolate at the same price . Today they both cut down its price. Shops A decreases the price by 30%, and increases by 30% after a week. Likewise, shop B decreases its price by 40%, and decreasesby 40% after a week. Are the prices of the chocolate at the two shops still the same after a week?
![请高手帮忙解一道英文数学题](/uploads/image/z/4265740-28-0.jpg?t=%E8%AF%B7%E9%AB%98%E6%89%8B%E5%B8%AE%E5%BF%99%E8%A7%A3%E4%B8%80%E9%81%93%E8%8B%B1%E6%96%87%E6%95%B0%E5%AD%A6%E9%A2%98)
不一样,假设开始时价格为P,对于商店A,一周之后为P×0.7×(1+0.3),而对于商店B,一周之后为P×0.6×﹙1+0.4﹚