Math, asked by akak386pad0az, 1 year ago

solve ........................

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Answered by aajaY317

20 days eiffciency ratio 2:1

akak386pad0az: please explain

aajaY317: let the total work 60 units , A works for 15 days@2 means 30 units done and now B done the remaining 30 units in 30 days @ the efficiency of 1 unit per day . hence total efficiency = 3units per day A( 2 ) and B( 1) now 60 units divided by 3 = 20 days

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