Question 524179
George speed	5	mph					
Wife speed	8	mph					
George speed		07:30					
Wife speed		08:00					
Difference in time=		00:30	=>	0.5	hours		
George speed	will have covered	2.5	miles	before 	wife		starts
catch up distance=		2.5	miles				
catch up speed =		8	-5	mph			
catch up speed =		3	mph				
Catchup time = catchup distance/catch up speed							
catch up time=		2.5	/	3			
catch up time=		5/6	hours	=50 minutes

she will catch up at 8:50 AM