A gas station sells 1600 gallons of gasoline per hour if it charges $ 2.20 per gallon but only 800 gallons per hour if it charges $ 2.65 per gallon. Assuming a linear model
(a) How many gallons would be sold per hour of the price is $ 2.30 per gallon?
(b) What must the gasoline price be in order to sell 1200 gallons per hour?
(c) Compute the revenue taken at the four prices mentioned in this problem -- $ 2.20, $ 2.30, $ 2.65 and your answer to part (b). Which price gives the most revenue?