A gas station sells 1500 gallons of gasoline per hour if it charges $ 2.05 per gallon but only 1000 gallons per hour if it charges $ 2.25 per gallon. Assuming a linear model

(a) How many gallons would be sold per hour of the price is $ 2.15 per gallon? Answer:

(b) What must the gasoline price be in order to sell 1300 gallons per hour? Answer: $

(c) Compute the revenue taken at the four prices mentioned in this problem -- $ 2.05, $ 2.15, $ 2.25 and your answer to part (b). Which price gives the most revenue? Answer: $