A can do a piece of work in 24 days. He works alone for 6 days, then B joins him and together they finish the remaining work in 8 more days. In how many days can B alone do the whole work?

Question

Accepted Answer

19.2. In 6 days A does 6/24 = 1/4; remaining 3/4 in 8 days gives combined rate 3/32. B's rate = 3/32 − 1/24 = 5/96, so B alone takes 96/5 = 19.2 days.

A can do a piece of work in 24 days. He works alone for 6 days, then B joins him and together they finish the remaining work in 8 more days. In how many days can B alone do the whole work?

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