Math, asked by ddivi947, 11 months ago

A can do a work in 15 days and b can do the same in 25 days. If they start the work together and b leaves 7 days before completion of the work then the work will be completed in how many days?

Answers

Answered by arunkumar25
0

Answer:

see

Step-by-step explanation:

first add the AB and substrate the 7

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