Question 536996
Motorboat speed 	9	mph					
cabin cruiser	18	mph					
Difference in time=>	2	hours		
Motorboat  	will have covered miles	before 	cabin cruiser starts
catch up distance=		18	miles				
catch up speed =		18	-9	mph			
catch up speed =		9	mph				
Catchup time = catchup distance/catch up speed							
catch up time=		18	/	9			
catch up time=		2	hours	

m.ananth@hotmail.ca