乙两个粮库原来共存大米320吨,后来从甲粮库运出40吨,给乙库运进20吨,这时甲库存的大米是乙库的2倍,两个粮库原来各存大米多少吨?
人气:164 ℃ 时间:2019-10-17 05:21:44
解答
两库共少大米吨数是:
40-20=20(吨),
给乙库运进20吨大米后是:
(320-20)÷(2+1),
=300÷3,
=100(吨);
乙库原来存大米是::
100-20=80(吨),
甲库原来存大米是:
320-80=240(吨).
答:乙库原来存大米80吨,甲库原来存大米240吨.
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