一件商品连续两次提价10%,后来又降价20%.这件商品现在出售是赚了还是亏了?赚了或亏了百分之几?
问题描述:
一件商品连续两次提价10%,后来又降价20%.这件商品现在出售是赚了还是亏了?赚了或亏了百分之几?
答
(1+10%)×(1+10%)×(1-20%)
=1.1×1.1×0.8
=0.968
=96.8%
亏了
亏了1-96.8%=3.2%