Question

数学题: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？

Answer 1

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

Answer 2

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

Answer 3

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Answer 4

a元

1.2a*0.9=48+a

a=600