Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?
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mohmood = 40 hours
mohmood + janaki = 40 - 50%
= 40/2 = 20
they can do 1 piece in 20 hours
please add mine brainliest
mohmood + janaki = 40 - 50%
= 40/2 = 20
they can do 1 piece in 20 hours
please add mine brainliest
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