A Plane Flies Directly from City a to City B

Multiple Choice

A plane flies directly from city A to city B, which are separated by 2300 mi. From A to B, the plane flies into a 65 mi/h headwind. On the return trip from B to A, the wind velocity is unchanged. The
Trip from B to A takes 65 min less than the trip from A to B. What is the airspeed (assumed
Constant) of the plane relative to the air (that is, the airspeed) ?

A) 610 mi/h
B) 400 mi/h
C) 480 mi/h
D) 530 mi/h