The Gas Tank of a Certain Car Contains 17 Gal

Multiple Choice

The gas tank of a certain car contains 17 gal of gas when the driver of the car begins a trip. Each mile driven by the driver decreases the amount of gas in the tank by 0.068 gal.
A. Write a linear function for the number of gallons of gas in the tank in terms of the number of miles driven.
B. Use your equation to find the number of gallons in the tank after driving 161 mi. Round your answer to the nearest tenth of a gallon.

A) (a) ; (b) 27.9 gal
B) (a) ; (b) 27.9 gal
C) (a) ; (b) 6.1 gal
D) (a) ; (b) 10.9 gal
E) (a) ; (b) 10.9 gal