SOLUTION: The distance of a marathon is 26 miles. If Frank ran the first 20 miles at a rate of 9 miles per hour and the last 6 miles at 10 miles oer hour, how long did it take Frank to run t

Question 545972: The distance of a marathon is 26 miles. If Frank ran the first 20 miles at a rate of 9 miles per hour and the last 6 miles at 10 miles oer hour, how long did it take Frank to run the marathon?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The distance of a marathon is 26 miles. If Frank ran the first 20 miles at a rate of 9 miles per hour and the last 6 miles at 10 miles oer hour, how long did it take Frank to run the marathon?
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time = distance/rate
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Equation:
time = (20/9)+(6/10) = 2.8222 hrs = 2hr. 49min. 20 seconds
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Cheers,
Stan H.
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