Answer:
14 - .5d
Step-by-step explanation:
To determine the amount of gas in the tank, take the amount in the tank to start and subtract the amount used per day
Answer: There are 14 gallons total, and you would be using 0.5 gallons a day, which is expressed by 14 - 0.5d. Example = 8 days, 14 - 0.5(8) = 10 gallons left
