SOLUTION: Sam can unload a truck of furniture in 6 hours. Working together, it takes Sam and Matthew 2 hours to do the same job. How long would it take Matthew to do the job by himself?
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Question 725880: Sam can unload a truck of furniture in 6 hours. Working together, it takes Sam and Matthew 2 hours to do the same job. How long would it take Matthew to do the job by himself?
Rob can deliver papers 4 times as fast as his younger brother. If they work together, it takes them 2 hours. How long would it take each to deliver the papers alone? Answer by richwmiller(17219) (Show Source):
