SOLUTION: On his trip to the mountains, Klink drove for 3 hours at an average speed of 50 mph, then for 2 hours at an average speed of 30 mph. What was his average for the entire trip?
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Question 429217: On his trip to the mountains, Klink drove for 3 hours at an average speed of 50 mph, then for 2 hours at an average speed of 30 mph. What was his average for the entire trip? Found 2 solutions by stanbon, ewatrrr:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! On his trip to the mountains, Klink drove for 3 hours at an average speed of 50 mph, then for 2 hours at an average speed of 30 mph. What was his average for the entire trip?
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Trip average = (total distance)/(total time)
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1st leg:
distance = 3*50 = 150 miles in 3 hrs.
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2nd leg:
distance = 2*30 = 60 miles in 2 hrs
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Trip average = (150+60)/(3+2) = 210/5 = 42 mph
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Cheers,
Stan H.
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