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

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): You can put this solution on YOUR website!
Slow Machine: JOBS per HOUR
Fast Machine jobs per hour
Both Machines Combined: jobs per hour

Slow machine does one job alone in 12 hours.
Fast machine does the job in 4 hours.
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