SOLUTION: A boy runs at 4.5 m/s for t minutes and then walks at 2 m/s for 2t minutes. He covers a total distance of 11 km. Find the value of t.

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Question 604545: A boy runs at 4.5 m/s for t minutes and then walks at 2 m/s for 2t minutes. He covers a total distance of 11 km. Find the value of t.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(4.5 * t * 60) + (2 * 2t * 60) = 11,000