SOLUTION: Lady drove to work going 45 mph and drove home on the same route going 30 mph. If her total commute took 1 hour, how far is it from her house to her work?

Question 659390: Lady drove to work going 45 mph and drove home on the same route going 30 mph. If her total commute took 1 hour, how far is it from her house to her work?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Lady drove to work going 45 mph and drove home on the same route going 30 mph. If her total commute took 1 hour, how far is it from her house to her work?
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Round trip avg speed = 2*45*30/(45+30) = 36 mi/hr
Round trip = 36 mi/hr * 1 hr = 36 miles
18 miles each way.

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