Question 1010233
Rate times time equals distance.
Call the slower train's rate, r.
The faster one is then r+14.
The time is 4 hours and the total distance is 200 miles.
So we write
4r + 4(r+14) = 200
8r + 56 = 200
8r = 144
r = 18 mph
r+14 = 32 mph