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某市居民自来水收费标准如下:每户每月用水4吨以下,每吨1.80元当超过4吨时,超过部每吨3.00元.
某市居民自来水收费标准如下:每户每月用水4吨以下,每吨1.80元当超过4吨时,超过部每吨3.00元.
发布时间:2021-02-20 23:13:33
某市居民自来水收费标准如下:每户每月用水4吨以下,每吨1.80元当超过4吨时,超过部每吨3.00元.某月甲、乙两户共交水费26.40元,用水量之比为5:3,问:甲、乙两户各应交费多少元?
网友回答
设甲户用水x吨,则乙户用水35
======以下答案可供参考======
供参考答案1:
这也叫奥数题?
设甲用水为x 则乙为3/5x
根据条件得:2·4·1.8+(x-4)·3 +(3/5x -4)·3=26.4
得x=7.5则
甲:17.7 吨
乙:8.7 吨
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