A,B and C do a work i. 12,15 and 20 days respectively . They started working together but after 4 days A left In how many days will B and C complete the work
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let us consider that in x days work is completed
a worked only for 4 days
b and c worked for the whole time
now according to the question equation formed is
4/12+x/15+x/20 =1
solving it we get
x= 200/35 =>40/7
a worked only for 4 days
b and c worked for the whole time
now according to the question equation formed is
4/12+x/15+x/20 =1
solving it we get
x= 200/35 =>40/7
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