Mike and fritz ran a 30-mile marathon. Mike ran 10 miles at 10 miles per hour and then ran at 5 miles per hour for the remaining 20 miles. Fritz ran the first one-third (by time) of the run at 10 miles per hour and the remaining two-thirds of the run at 5 miles per hour. How much time in hours did mike take to complete the marathon?
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Mike taken 5 hours to run the marathon
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