I flew my tiny seaplane to visit my mother. On the flight up, I flew at 130 mph. On the way home, I flew 88 mph. What was my average speed for the trip?  Pick.
A) 198 mph
B) 110 mph
C) 88 mph
D) 100 mph
E) 109 mph

Rationale: "( 130 mph + 88 mph ) / 2 = 109 mph correct answer is : e"
Answer: E