Mathematics, 31.01.2020 20:49, sierravick123owr441
Charles can do a job in 1 hour, bill can do the same . job in 2 hours, and bob can do the job in 3 hours.. how long does it take them to do the job working. together?
Answers: 2
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Charles can do a job in 1 hour, bill can do the same . job in 2 hours, and bob can do the job in 3...
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