Question 867632
Train I	25	mph				
Train II	30	mph				
Difference in time=		=>	1.00	hour	
Train I	will have covered	25.00	miles		Train II	starts
catch up distance=		25.00	miles			
catch up speed =		30	-25			
catch up speed =		5	mph			
Catchup time = catchup distance/catch up speed						
catch up time=		5				
catch up time=		5.00	hours