Question

某电器打折销售如果按标价的六折销售,每件将亏本36元,如果按标价的八折销售,每件盈利52元,原价是多少

Answer 1

笨办法,嘿嘿

设本钱X,标价Y,

Y*0.6=X-36

Y*0.8=x+52

x=300,y=440即成本300元,标价440

你看对不对