Arturo O. answered 05/22/20
Experienced Physics Teacher for Physics Tutoring
v = speed of fast train
v - 35 = speed of slow train
t = travel time = 8
d = distance between them = 1080
vt + (v - 35)t = d
t = 8
d = 1080
8v + 8(v - 35) = 1080
Can you solve for v and finish from here? The speeds will be in mph.