Question 549265
Senior citizens	x	unit price					
student	y	numbers					
							
9	x	+	2	y	=	69	.............1
14	x	+	10	y	=	128.00	.............2
Eliminate 	y						
multiply (1)by 		-5					
Multiply (2) by		1					
-45	x		-10	y	=	-345	
14	x	+	10	y	=	128	
Add the two equations							
-31	x				=	-217.00	
/	-31						
x	=	7      					
plug value of 			x	in (1)			
9	x	+	2	y	=	69	
63		+	2	y	=	69	
			2	y	=	69	
			2	y	=	6	
				y	=	3      	
Senior citizens	unit price	7    					
student	unit price	3    					
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