Question

张王李三家共用一个总水表,三家上月用水分别为6立方米3立方米和5立方米,共交水费48.6元,三家应各交水费

Answer 1

张家应交水费

=48.6*6/(6+3+5)

=48.6*6/14

=20.83元

王家应交水费

=48.6*3/(6+3+5)

=48.6*3/14

=10.41元

李家应交水费

=48.6*5/(6+3+5)

=48.6*5/14

=10.36元