92÷(1+15%)
=92÷115%
=80(元)
(100-80)÷80
=20÷80
=25%
答:如卖100元,可赚25%.
故答案为:25.
一件大衣,如卖92元,可赚15%,如卖100元,可赚_%.
一件大衣,如卖92元,可赚15%,如卖100元,可赚______%.
数学人气:459 ℃时间:2020-03-17 06:55:02
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