An Airplane Flying into a Headwind Travels 432 Miles in 3

Multiple Choice

An airplane flying into a headwind travels 432 miles in 3 hours and 36 minutes. On the return flight, the distance is traveled in 3 hours. Find the airspeed of the plane and the speed of the wind, assuming that both remain constant.

A) plane speed = 147 mph; wind speed = 12 mph
B) plane speed = 109 mph; wind speed = 12 mph
C) plane speed = 109 mph; wind speed = 121 mph
D) plane speed = 147 mph; wind speed = 139 mph
E) plane speed = 132 mph; wind speed = 12 mph