A and B together can complete a work in 45 days and 40 days, respectively. B alone completed the remaining work in 23 days. After how many days did A ...

Question

A and B together can complete a work in 45 days and 40 days, respectively. B alone completed the remaining work in 23 days. After how many days did A leave?

Options

A.

8

B.

6

C.

11

D.

9

time and workefficiencylcm methodcat 2022

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