Suppose you start with a full tank of gas (16 gallons) in your truck. after driving 6 hours, you now have 6 gallons left.

if x is the number of hours you have been driving, then y is the number of gallons left in the tank.

at what rate is your truck using gas? state your answer as a reduced fraction.

gallons per hour

find an equation of a line in the form y = mx + b that describes the amount of gas in your tank.