Question
A can finish a piece of work in 12 days, B in 15 days. They work together for 4 days, then A leaves and C joins
A can finish a piece of work in 12 days, B in 15 days. They work together for 4 days, then A leaves and C joins
B. C is 25% more efficient than
B. In how many total days will the work be finished?
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