Math, asked by dpadmaja9871, 1 year ago

A takes 5 days to do a piece of work while b takes 2 days to do it. How much time will they take to do it together

Answers

Answered by gravityman456peaaiz

0

Here is a shortcut:it will be the sum of inverse of their days resp

Thus ur ans is 1/5+1/2=7/10 days

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