A can finish a work in 10 days, B in 15 days. If A works for 4 days, how many more days does B need to complete the work?
A can finish a work in 10 days, B in 15 days.…
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Written by
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A can finish a work in 10 days, B in 15 days. If A works for 4 days, how many more days does B need to complete the work?
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