Question

1.一道服装的售价是560元,其盈利率为40%,求这件服装的成本价.

Answer 1

1.设成本价为X,得

x+40%x=560

1.4x=560

x=400

答,成本价为400元

2.

70*1.8+30*0.5

=126+15

=141

141-120=21 21/120=0.175=17.5%

答,盈利17.5%