SOLUTION: One morning Martin drove 80 miles in 2 hours. After lunch, he covered 100 miles more in 3 hours. What was his average rate of speed in miles per hour, for the 5 hours of drivig?
a
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Question 227744: One morning Martin drove 80 miles in 2 hours. After lunch, he covered 100 miles more in 3 hours. What was his average rate of speed in miles per hour, for the 5 hours of drivig?
a. 35
b. 36
c. 37
d 45 Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! One morning Martin drove 80 miles in 2 hours. After lunch, he covered 100 miles more in 3 hours. What was his average rate of speed in miles per hour, for the 5 hours of drivig?
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Total miles = 80 + 100 = 180 miles
Total time = 2 + 3 = 5 hrs
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Average rate = total distance/total time = 180/5 = 36 mph
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Cheers,
Stan H.
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a. 35
b. 36
c. 37
d 45
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