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某商品按20%利润定价,然后按8.8折卖出,共获利润84元,这件商品成本( )元.
A. 1650
B. 1500
C. 1700
人气:455 ℃ 时间:2019-11-06 01:53:22
解答
设成本价是x元,由题意得:
(1+20%)x×88%-x=84,
1.2x×0.88-x=84,
1.056x-x=84,
0.056x=84,
x=1500(元);
答:这件商品的成本价是1500元.
故选:B.
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