SOLUTION: In a factory, one machine produces three times the number of pictures that another machine produces in the same period of time. Together they can do a job in 3 hours. How long will
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Question 1006654: In a factory, one machine produces three times the number of pictures that another machine produces in the same period of time. Together they can do a job in 3 hours. How long will it take each machine alone to do the same job? Answer by josgarithmetic(39623) (Show Source):