A rental car agency charges $13 per day plus 15cents per mile to rent a certain car. Another agency charges $15 per day plus 10 cents per mile to rent the same car. How many miles will need to be driven for the cost of the two agencies to be equal?A rental car agency charges $13 per day plus 15cents per mile to rent a certain car...?
Assuming the car is only hired for one day
cost a =$13 + $0.15m
cost b =$15 + $0.10m
To be equal
13+0.15m=15+0.10m
0.05m = 2
m = 40
and the cost would $19A rental car agency charges $13 per day plus 15cents per mile to rent a certain car...?
13 + .15X = 15 + .1X
Solve for X
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