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mathematics 數學

發問:

請列式 the market price of a product is $210,which is 40%higher than its cost. if it is now selling at a discount of 10%, what is the percentage profit?

最佳解答:

The cost of the product =$210/(1+40%) =$150 Selling price =$210x(1-10%) =$189 Percentage profit =[(selling price-cost)/cost]x100% =[(189-150)/150]x100% =26%

其他解答:FAD2A23AB937987B
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