A: A third as much means a third of the amount. David traveled three times as fast as before, so he traveled for 50 miles in three times the old time. The answer is (E).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q: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: Answer Choices: A)twice as much B)three times as much C)the same D)half as much E)a third as much