2. Billy is comparing gasoline prices at

me prices at two different gas stations.

At the first gas station, the equation c = 2.80 g gives the relationship between the number of

ine, and, the total cost, in dollars.

gallons of gasoline, and, the total cost i

At the second gas station, the cost of 2.5 gallons of gasoline is $8.30, and the cost of 5 gallons of

gasoline is $16.60.

How much money, per Ballon, Would Billy save by going to the less expensive gas station?