Question 572983
Let   	n	be the number of 	hours									
Plan A			500	+	9	n						
Plan B   				14	n						
Plan A	>	Plan B										
500	+	9	n			>		14.00	n		
add  	-500	to both sides										
500	+	9.00	n-	-500		>		14.00	n		-500
9	n	>			>	14	n	-500			
add  	-14	n										
-5	n	>	-500									
/	-5											
n	<	100										
n	should be less than		100		for Plan A to be better than plan B							
												
												
												
												
Plan A > Plan B		at	80	hours								
Plan A			500	+	9.00	*	80		=		1220	
Plan B   				14.00	*	80		=		1120	
												
Plan A < Plan B		for 	110	hours								
Plan A			500	+	9.00	*	110		=		1490	
Plan B   				14.00	*	110		=		1540