Math, asked by abhaykumar31691, 3 months ago

A can do a work in 15 days and B in 20 days. if they work together how much work will be completed in 4 days​

Answers

Answered by ASHCAD
1

Step-by-step explanation:

A can do the work in 15 days

=> A's one day work = 1/15

B can do the work in 20 days

=> B's one day work = 1/20

Together A and B 's one day work

= 1/15 + 1/20

= (4+3)/60

= 7/60

=> Together A and B can do the work in 60/7 days

Hope it helps

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