Andrianova Ariana
Jan 18, 2021

answers: 1

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Answer:

ANSWER::))>>Take LCM of 15 and 20 as the total amount of work which is 60 units in this case.>>A can do work in 15 days therefore amount of work done by A in 1 day is 60/15 = 4 units>>B can do work in 15 days therefore amount of work done by A in 1 day is 60/20 = 3 units>>Total amount of work done in 1 day =A work of 1 day+B's work of 1 day=4 units +3 units=7 units>>Amount of work done in 4 days =4*7=28 units>>Amount of Work Left = 60–28=32 units>>Fraction of work left = Amount of work left/ >>Total Work = 32/60 = 8/15.

hope it's help ✌️✌️

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pride

Jan 18, 2021

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