SOLUTION: A RENTAL CAR AGENCY CHARGES $15.00 PER DAY PLUS 7 CENTS PER MILE TO RENT A CERTAIN CAR. ANOTHER AGENCY CHARGES $19.00 PER DAY PLUS 5 CENTS PER MILE TO RENT THE SAME CAR. HOW MANY M

Question 68110: A RENTAL CAR AGENCY CHARGES $15.00 PER DAY PLUS 7 CENTS PER MILE TO RENT A CERTAIN CAR. ANOTHER AGENCY CHARGES $19.00 PER DAY PLUS 5 CENTS PER MILE TO RENT THE SAME CAR. HOW MANY MILES WILL HAVE TO BE DRIVEN FOR THE COST OF A CAR FROM THE FIRST AGENCY TO EQUAL THE COST OF A CAR FROM THE SECOND AGENCY?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
For the 1st day the equation for the 1st agency is
cost[1] = 15 + .07m
here m is miles driven
For the 2nd agency,
cost[2] = 19 + .05m
cost[1] = cost[2]
15 + .07m = 19 + .05m
.02m = 19 - 15
.02m = 4
m = 200 miles answer
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