SOLUTION: Elvis is driving Memphis to Chicago, a distance of 548 miles. He drives 46 miles per hour for 4 hours. At what rate must he drive to complete the entire trip in no more than 11 hou

Question 826911: Elvis is driving Memphis to Chicago, a distance of 548 miles. He drives 46 miles per hour for 4 hours. At what rate must he drive to complete the entire trip in no more than 11 hours?
please include all the work and equations. Thank you so much!
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Elvis is driving Memphis to Chicago, a distance of 548 miles.
He drives 46 miles per hour for 4 hours.
At what rate must he drive to complete the entire trip in no more than 11 hours?
please include all the work and equations.
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After driving 4 hours he has 548-4*46 = 364 miles to drive.
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Equality::
rate = distance/time
-------
rate >= 364/11 >= 33.09 mph
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Cheers,
Stan H.
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