懂英语和数学的来!求算式!A model ship is sold for $225 at a loss of 25%.How much does it cost?

分类: 作业答案 • 2022-02-20 22:17:43

问题描述：

懂英语和数学的来!求算式!
A model ship is sold for $225 at a loss of 25%.How much does it cost?

答

一个模型船卖225美元,亏损了25％.它成本为多少钱?
225÷（1-25%）=300
方程：设成本为X元,依题意,得
（1-25%）X=225
X=300