The marked price of a sofa is 3000.If the sofa is sold at 26％ off.then a merchant can a profit of 48％.
问题描述：
The marked price of a sofa is 3000.If the sofa is sold at 26％ off.then a merchant can a profit of 48％.
a)find the selling price of the sofa
b) find the cost of the sofa
答
a）3000*（1-0.26）=2220
b）2220*（1-0.48）=1154.4