SOLUTION: Driving 200 miles and must complete trip in 3 hours. The first hour was an average speed of 65pmh; the second hour was an average speed of 71mph. What is the average speed of the t

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Question 891205: Driving 200 miles and must complete trip in 3 hours. The first hour was an average speed of 65pmh; the second hour was an average speed of 71mph. What is the average speed of the third hour to reach the destination?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Driving 200 miles and must complete trip in 3 hours. The first hour was an average speed of 65pmh; the second hour was an average speed of 71mph. What is the average speed of the third hour to reach the destination?
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1*65 + 1*71 = 136 miles in 2 hours
That leaves 64 miles in 1 hour.
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