question is in the description

Question

A train leaves Chicago at 1:00 PM. A second train leaves the same city in the same direction at 9:00 PM. The second train travels 240mph faster than the first. If the second train overtakes the first at 11:00 PM, what is the speed of each of the two trains?

Answer 1

d = rt

Let x = the speed of the first train

Let x + 240 = the speed of the second train

1st train: d = 10x

2nd train: d = 2(x+240) = 2x + 480

10x = 2x + 480

8x = 480

x = 60 mph

x + 240 = 60 + 240 = 300 mph