SOLUTION: brent takes a trip in his car. he covers the first 30 miles in one-half hour and the last 50 miles in one hour. find his average speed in m/h?

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Question 402960: brent takes a trip in his car. he covers the first 30 miles in one-half hour and the last 50 miles in one hour. find his average speed in m/h?
Answer by Alan3354(69443) About Me  (Show Source):
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brent takes a trip in his car. he covers the first 30 miles in one-half hour and the last 50 miles in one hour. find his average speed in m/h?
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He goes 80 miles in 1.5 hours
80 mi/1.5 hr = 53 1/3 mph