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Correct me if im wrong, but just looking at the problem. With two people working on a job together, the job should take less than than anyone of them individually. In this case, A is most efficient, so the answer should be less than A's 6 days per job.
- by sn0rky
Fri Dec 12, 2014 1:15 pm- Forum: Problem Solving
- Topic: Time taken by A to complete a
- Replies: 7
- Views: 2245