Peter and Tom shared the driving on a certain trip. If Peter and Tom both drove for the same amount of time, but Peter only drove 2/5 of the total distance, what was the ratio of Peter's average speed to Tom's average speed?
A. 1:5
B. 2:5
C. 1:2
D. 3:5
E. 2:3
Answer: E
Source: GMAT Prep