Two workers, A and B, can complete a job in 12 and 15 days respectively. If they work together for 3 days, what fraction of the job is completed?
Two workers, A and B, can complete a job in 12 and…
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Two workers, A and B, can complete a job in 12 and 15 days respectively. If they work together for 3 days, what fraction of the job is completed?
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