Nathaniel filled up his car with gas before embarking on a road trip across the country. Let G represent the number of gallons of gas remaining in his gas tank after driving for t hours. A graph of G is shown below. Write an equation for G then state the slope of the graph and determine its interpretation in the context of the problem. G 17 16 15 10 6 #BEG 5. Number of Gallons Remaining in the Tank 9 1 2 5 6 8 9 10 1 a 12 13 Number of Hours Driven