Question 164015
Let m = total miles driven
.
Cost formula of rental car agency 1:
C(m) = 16 + .10m
.
Cost formula of rental car agency 2:
C(m) = 18 + .05m
.
Set them equal to each other and solve for m:
16 + .10m = 18 + .05m
.10m = 2 + .05m
.05m = 2
m = 2/.05
m = 40 miles