# A can do a piece of work in 40 days and B in 45 days. They work together for 10 days and then B goes away. In how many days will A finish the remaining work?

Given,

A can do a piece of work in 40 days

B can do it in = 45 days

A’s 1 day work =

B’s 1 day work =

(A+B)’s 1 day work together =

A+B’s 10 day work =

Remaining work =

Remaining work will be done by A = days.

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