打折销售是近年来各地中考经常出现的一种新题型,解答这类问题,了解有关价格、折扣、利润的含义十分重要,现在一一说明． 1．商品标价例1 某商品的进价1530元,按商品标价的 9折出售时,利润率是15％．商品的标价是多少? 解设标价为x元,由题可列, (9/10)x-1530=1530×15％, 解得 x=1955(元)． Discount sales is a new type of question that often appears in local exams in recent years. It is very important to answer such questions and understand the meanings of prices, discounts, and profits. Now one by one. 1. Example 1 of commodity price The purchase price of a commodity is 1,530 yuan. When it is sold at 10% off the price of the commodity, the profit rate is 15%. What is the price of the commodity? The price of the solution is x yuan. The title can be listed as (9/10)x-1530=1530×15%. The solution is x=1955 (yuan).