Answer:
Explanation:
First create an equation: y = 1.75x + 2
y = total cost of trip
x = number of miles
For 9 miles, substitute in 9 for x and solve
y = 1.75(9) + 2
y = 15.75 + 2
y = 17.75 Total cost of a 9 mile trip is $17.75
In general, for m miles..... y = 1.75m + 2