a train leaves the station at 6pm traveling west at 80 mph o

a train leaves the station at 6:pm traveling west at 80 mph. on a parallel track, a second train leaves the station 3 hours later traveling west at 100 mph. at what time will the second train catch up with the first train?

train A is 3 hrs ahead or 240 mi
train B is overtaking at 20 mph
240/20=12 hrs
6:00+3=9:00 pm + 12= 9:00 am next day