SOLUTION: It takes a lawn care company 60 minutes to complete a job using only a riding mower, or 45 minutes using the riding mower and a push mower. How long does the job take using only th

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Question 986862: It takes a lawn care company 60 minutes to complete a job using only a riding mower, or 45 minutes using the riding mower and a push mower. How long does the job take using only the push mower?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Use the rates as JOBS per HOUR.
The rate of the two methods combined is the sum of their individual rates.