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Ankit alone can finish a piece of work in 12 days and Sona alone can do it in 15 days. If both of them work at it together, how much time will they take to finish it?
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Answered by
3
Answer:
Step-by-step explanation:
1/15 +1/12
4+5/60
9/60.
Reverse it
60/9
6 ~4/9
So they will complete the work in 6 4/9 days
Answered by
3
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