A and b can do a piece of work in 21 and 24 days respectively. they started the work together and after some days a leaves the work and b completes the remaining work in 9 days. after how many days did a leave?a578d6
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In single day a can do W/21 and b can do W/24
Let a leaves after x days
x(W/21+W/24)+9*W/24=W
x(15W/168)=15W/24
x=7
Hope it helps
If yes please mark brainliest
Let a leaves after x days
x(W/21+W/24)+9*W/24=W
x(15W/168)=15W/24
x=7
Hope it helps
If yes please mark brainliest
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