A and B can finish a work in 15 days A B and C can finish a work in 30 days and a and c in 18 Days they work together for 9 days then a left in how many more days than B and C finish the remaining work
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A and B can finish a work in 15 days A B and C can finish a work in 30 days and a and c in 18 Days they work together for 9 days
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