杭州解百十年店庆推出了服装类“满100减50”;化妆品“满200送100”的促销活动,服装、化妆品最低各打几
时间:2022-05-17
来源:otovc.com
(1)[x-(x÷100)×50]÷x,
=[x-
50x
100 ]÷x,
=[
100x
100 -
50x
100 ]÷x,
=50%;
50%=五折,
答:服装品类打五折.
(2)[y-(y÷200)×100]÷y,
=[y-
100y
200 ]÷y,
=
100y
200 ÷y,
=50%;
50%=五折;
答:化妆品类打五折.