Math, asked by vipinmamgai68, 1 year ago

A alone can do a piece of work in 10 days and b alone in 15 days what part of the work will they do in 3 days.

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Answered by sprao534

0

Please see the attachment

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vipinmamgai68: answer is 9/20

sprao534: i think the answer may not correct

Answered by Edwinabraham

0

add te fraction od working days by their efficiencies

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