SOLUTION: If a person does a driving distance of 1200 miles and the trip took 16 hours of driving time. What is the average speed for the hours they drove and if you want to shorten the driv

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Question 681224: If a person does a driving distance of 1200 miles and the trip took 16 hours of driving time. What is the average speed for the hours they drove and if you want to shorten the driving time by one half, what average speed should be done to do this.
Found 2 solutions by solver91311, Alan3354:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Divide the distance by the time to get the average speed. If you want to cut the time in half, double the speed. Better get an airplane.

John

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Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If a person does a driving distance of 1200 miles and the trip took 16 hours of driving time. What is the average speed for the hours they drove and if you want to shorten the driving time by one half, what average speed should be done to do this.
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d = r*t
t = d/r
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To get there in 1/2 the time go twice as fast.