You are cruising at 5500 feet in your Piper Cherokee 180 that is equipped with an O-360 engine. Given the parameters listed below, what fuel flow would you expect if your power setting is 75% and you have a volumetric efficiency of 75%? Air density at 5500 msl: 0.066 lb/cu-ft Air to Fuel ratio: 14.5:1 Engine RPM: 2500 Group of answer choices 12.44 gal/hr 6.57 gal/hr 11.85 gal/hr 8.89 gal/hr