Steve traveled the first 2 hours of his journey at 40 mph and the last 3 hours of his journey at 80 mph. What is his average speed of travel for the entire journey?\nOptions:\n(A) 61mph\n(B) 62mph\n(C) 63mph\n(D) 64mph\n(E) 65mph
Step-by-step reasoning:
(D)
(2*40+3*80)/5 = 64mph.

So, the answer is (D)