SOLUTION: 2. Joe drove at the speed of 45 miles per hour for a certain distance. He then drove at the speed of 55 miles per hour for the same distance. What is the average speed for the whol
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Question 963225: 2. Joe drove at the speed of 45 miles per hour for a certain distance. He then drove at the speed of 55 miles per hour for the same distance. What is the average speed for the whole trip?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
2*45*55/(45+55)
= 49.5 mi/hr
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