A "Local" train leaves a station and runs at an average rate of 35 mph. An hour and a half later an "Express" train leaves the station and travels at an average rate of 56 mph on a parallel track. How many hours after the Express train starts will the it overtake the Local?

Question

4 October, 00:56

+5

Answers (2)

Know the Answer?

Malachi Meza · Answer 1

Hello,

Let's assume x the time the express runs.

56*x=35 * (1.5+x)

==>21x=52.5

==>x=2.5 h = 2 h 30 min

Yadiel Francis · Answer 2

Yadiel Francis 4 October, 01:21

0

X=2.5 h = 2 h. 30 min.