3
) A and B together can do a piece of work in 15 days. If A's one day's work is times
2
B's one day's work; in how many days can A and B do the work alone?
Nw
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3
) A and B together can do a piece of work in 15 days. If A's one day's work is times
2
B's one day's work; in how many days can A and B do the work alone?
Nw
) A and B together can do a piece of work in 15 days. If A's one day's work is times
2
B's one day's work; in how many days can A and B do the work alone?
Nw
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