Question 870627
Car A	70	mph				
Car B	90	mph				
Car A		11:00				
Car B		01:00				
Difference in time=		14:00	=>	2.00	hours	
Car A	will have covered	140.00	miles	when	Car B	starts
catch up distance=		140.00	miles			
catch up speed =		90	-70			
catch up speed =		20	mph			
Catchup time = catchup distance/catch up speed						
catch up time=	140/20=	7				
catch up time=		7.00	hours			
They will meet at		08:00	pm