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Ayesha can complete a piece of work in 1...

Ayesha can complete a piece of work in 16 days. Amita can complete the same piece of work in 8 days. If both of them work together in how many days can they complete the same piece of work? `4 2/5d a y s` b. `5 1/3d a y s` c. `6\ d a y s` d. `12\ d a y s\ `

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