SOLUTION: A major car rental firm charges $57 a day with unlimited mileage. A discount firm offers a similar car for $24 a day plus 22 cents per mile. How far must yu drive in a day in order

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Question 903127: A major car rental firm charges $57 a day with unlimited mileage. A discount firm offers a similar car for $24 a day plus 22 cents per mile. How far must yu drive in a day in order for the cost to be the same at both firms?
I know the answer is 150 miles but don't know how to work the problem.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Set the two rates equal to each other and solve for the number of miles.
57=24%2B0.22%2AM
0.22M=33
M=33%2F0.22
M=150