On a day without any wind, your car consumes x gallons of gasoline when you drive at a constant speed, u, from point a to point b and back to point a. assume that you repeat the journey, driving at the same speed, on another day when there is a steady wind blowing from b to a. would you expect your fuel consumption to be less than, equal to, or greater than x gallons for this windy round-trip? support your answer with appropriate analysis.