SOLUTION: Andy’s average driving speed for a 4-hour trip
was 45 miles per hour. During the first 3 hours he drove 40 miles per hour. What was his average speed for the last hour of his trip
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was 45 miles per hour. During the first 3 hours he drove 40 miles per hour. What was his average speed for the last hour of his trip
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Question 433605: Andy’s average driving speed for a 4-hour trip
was 45 miles per hour. During the first 3 hours he drove 40 miles per hour. What was his average speed for the last hour of his trip? Answer by robertb(5830) (Show Source):
You can put this solution on YOUR website!
==> 180 = 120 + x
==> x = 60 miles in the last hour of the trip
==> his average speed for the last hour of the trip is 60 miles per hour.
