Meena can do a job in 12 days and Lata in 18 days. They start together, but Meena leaves 3 days before the job is finished. In how many days in all is the job finished?

Question

Accepted Answer

9. Let the job take T days. Lata works T days, Meena T − 3: (T − 3)/12 + T/18 = 1, so 3(T − 3) + 2T = 36 and T = 9.

Meena can do a job in 12 days and Lata in 18 days. They start together, but Meena leaves 3 days before the job is finished. In how many days in all is the job finished?

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