Ellen recently purchased a new hybrid car and wants to check her gas mileage. At an odometer setting of 651.1 mi, she fills the tank. At 1314.4 mi, she requires 16.1 gal to re-fill the tank. Assuming that the tank is filled to the same level both times, how is the gas mileage best expressed?a) 40 mi/gal. b) 41 mi/gal.c) 41.2 mi/gal. d) 41.20 mi/gal.