SOLUTION: Lisa traveled to her cabin on the lake and back. The trip there took five hours and the trip back took six hours. She averaged 45 km/h on the return trip. Find the average speed of
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Question 648470: Lisa traveled to her cabin on the lake and back. The trip there took five hours and the trip back took six hours. She averaged 45 km/h on the return trip. Find the average speed of the trip there. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Average speed is always ( total distance ) / ( total time )
Let the distance to the cabin =
So far, I have:
Ave speed going there =
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For the return trip,
so,
Ave speed =
Ave speed =
Ave speed = km/hr
