Suppose you drive an average of 12,000 miles per year and your car gets 24 miles per gallon Suppose gasoline costs $2.80 aHow much money you spend each year on bYou plan to trade in your car for one that gets x traore miles per gallon Write an expression to represent the new yeary of . Write an expression to represent your savings on gasoline per year Suppose you can save 5500 a year with the new many per gallon dous the new car gat?