David covered a distance of 50 miles on his first trip. On a later trip he traveled 50 miles while going three times as fast. His new time compared with the old time was:	Select the correct option:
A) twice as much
B) three times as much
C) the same
D) half as much
E) a third as much
Let t be the time of the first trip.   On the later trip, David can travel 150 miles in time t.   The trip of 50 miles takes t/3.   The answer is a third as much.
<result>E</result>
David covered a distance of 50 miles on his first trip. On a later trip he traveled 50 miles while going three times as fast. His new time compared with the old time was: