Mathematics, 06.07.2020 20:01 dinadenoirefan
A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. If they all work together, in how many days will the work finish?
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A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A...
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