SOLUTION: AZra can do a job in 4 hoursthat halycycon can do in 3 hours and silfer can do in 2 hours. If the three can work together, how many hours would they finish the job?
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Question 1027995: AZra can do a job in 4 hoursthat halycycon can do in 3 hours and silfer can do in 2 hours. If the three can work together, how many hours would they finish the job? Answer by ikleyn(52802) (Show Source):
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AZra can do a job in 4 hoursthat halycycon can do in 3 hours and silfer can do in 2 hours. If the three can work together, how many hours would they finish the job?
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Azra makes of the job per hour.
Halycycon makes of the job per hour.
Silfer makes of the job per hour.
Working together they make = = = of the job per hour.
Hence, the three can make the job in of an hour working together.
