SOLUTION: Suppose you start with a full tank of gas (20 gallons) in your truck. After driving 3 hours, you now have 4 gallons left. If x is the number of hours you have been driving, then

Question 1103268: Suppose you start with a full tank of gas (20 gallons) in your truck. After driving 3 hours, you now have 4 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.

Find an equation of a line in the form y = mx + b that describes the amount of gas in your tank
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Suppose you start with a full tank of gas (20 gallons) in your truck. After driving 3 hours, you now have 4 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.
16/3 gallons/hour
====================
Find an equation of a line in the form y = mx + b that describes the amount of gas in your tank
y = (-16/3)x + 20
========================
- t in hours - makes more sense.
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