有人上个月用电86度,用水16吨,共付水电费64.9元.已知电费每度0.55元,水费每吨多少远?
问题描述：
有人上个月用电86度,用水16吨,共付水电费64.9元.已知电费每度0.55元,水费每吨多少远?
答
(64.9-86*0.55)/16
=(64.9-47.3)/16
=17.6/16
=1.1
答
(64.9-86*0.55)/16=1.1
所以水费每吨1.1元
答
（64.9-86*0.55）/16=1.1
答：水费每吨1.1元