Acan do a piece of work in 30 days and B alonecan do it in 20 days.Theywork together for 4 days and then Bleaves the job.In how many days will A finish the remaining work?
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A finish the work in 7.5 days
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- Answer: a will do1/30 work in a dayand b will do1/20 work in a day they will do 1/30+1/20=1/12 work in a day. in 4 days 1/12*4=1/3 work is completedand 2/3 work is remaining then a will take 2/3*30 days to =20 days Step-by-step explanation:
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