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 Tom's average speed to Peter's average speed?  Choose the correct choice from the following choices
A) 1 : 5	B) 2 : 5	C) 1 : 2	D) 3 : 2	E) 2 : 3

Rationale: the answer is suppose to be d . 3 : 2 . it ' s from the gmatprep option d is answer
Answer: D