Question

A and B can complete a task together in 15
days,while A alone can complete it in 18.75 days.
They start working together but A leaves 12.5
days before the completion of the work. For how
many days did A and B work together?
(a) 10
(b) 13.75
(c) 2.5
(d) 11.25​

Answer 1

Answer:

B

Explanation:

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