Question

joined by B after 10 days. In how many days was the whole work completed?
-13. A can do a piece of work in 14 days, while B can do in 21 days. They begin together. But, 3 a
before the completion of the work, A leaves off. Find the total number of days taken to como
the work.
DD:ficaced a workmanas Ahu​

Answer 1

Answer:

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