Johan walks 10 miles at an average rate of 2 miles per hour and returns on a bicycle at an average rate of 10 miles per hour. How long does the entire trip take him?

Johan walks 10 miles at an average rate of 2 miles per hour and returns on a bicycle at an average rate of 10 miles per hour. How long does the entire trip take him? Correct Answer 6 hours

We know, v = st∴t = sv∴Time to go = 102 = 5 hourand time to return = 101 = 1 hour∴Total time = 5 + 1 = 6 hour
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