Please present thorough work explaining step-by-step how to get the correct answer and please include units:

2. For this problem, round all your answers to one decimal place. The distance (miles) a car can travel on one gallon of gas at speed s miles per hour is given by M = 2 + 2.2s. 30 (a) At 50 mph how far can the car travel on one gallon of gas? (b) Find the speed which maximizes fuel efficiency. (c) Find the largest value of M