购进价2200元,零售价2500元,按零售价卖出.卖出洗衣机的90%,获利15000元,问这批洗衣机一共有多少台?
购进价2200元,零售价2500元,按零售价卖出.卖出洗衣机的90%,获利15000元,问这批洗衣机一共有多少台?
数学人气:135 ℃时间:2019-10-24 03:41:28
优质解答
15000/(2500-2200)/0.9=56
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