Question

甲乙两件衣服,售价均为A元,甲盈利25%,乙亏损25%,各买出两件,是赚是陪,如赚(亏),赚(亏)多少

Answer 1

x*(1+25%)=a

y*(1-25%)=a

x=0.8a

y=4/3a

售价4a-2x-2y=4a-8/5a-8/3a=(60-24-40)/15a=-4/15a

共亏损4/15a