商店将某种服装按进价加20％作为售价,由以9折优惠售出,商店将某种服装按进价加20％作为售价,由以9折优惠售出,结果每件服装还可获利48元,问这种服装的进价是多少元?

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/04 04:44:54

商店将某种服装按进价加20％作为售价,由以9折优惠售出,
商店将某种服装按进价加20％作为售价,由以9折优惠售出,结果每件服装还可获利48元,问这种服装的进价是多少元?

设进价是x,
x(1+0.2)*0.9-x=48
0.08x=48
x=600
进价是600元

这种服装的进价是x元
x(1+20%)*0.9=x+48
x=600
这种服装的进价是600元

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a元
1.2a*0.9=48+a
a=600

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