SOLUTION: Ryan drives 100km to a friend's house at a constant speed. He stays there for 3 hours then returns home driving at exactly the same speed as on the trip to his friend's. Expres

Question 962465: Ryan drives 100km to a friend's house at a constant speed. He stays there for 3 hours then returns home driving at exactly the same speed as on the trip to his friend's.
Express the time for a round trip T(s) as a function of speed (s) driven.

Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
s=speed in km/hr
Time for trip one way=100km/s
Total time for round trip:

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