Michael is driving on a long road trip. He wrote an equation to represent how many gallons of gas he has left in his tank, g = 8 – 0.5h, where g represents the number
of gallons and h represents time in hours. What could the number 8 represent in the
equation?

A. How long it takes Michael to run out of gas.

B. The number of gallons in the tank after one hour.

C. The number of gallons in the tank when the trip ends.

D. The number of gallons of gas at time h = 0.