Question 1179323

 two trains leave the station at the same time headed in opposite directions. Train 1 travels 110kph while train 2 travels 130kph. What time will they be 720km apart?

Train 1 travels 110kph 
while train 2 travels 130kph.

They are going away from each other.		
		
So add up their speed.		
		
combined speed = 110+130=240 kph
Distance = Speed X time

Time = distance /time
720/240 =3 hours

They will  be 720km apart at 1.00 pm