Question 549607
	x	unit price	shampoo				
	y	unit price	body wash				
							
1	x	+	1	y	=	14.5	.............1
3	x	+	5	y	=	57	.............2
Eliminate 	y						
multiply (1)by 		-5					
Multiply (2) by		1					
-5	x		-5	y	=	-72.5	
3	x	+	5	y	=	56.9	
Add the two equations							
-2	x				=	-15.60	
/	-2						
x	=	7.80					
plug value of 			x	in (1)			
1	x	+	1	y	=	14.5	
7.8		+	1	y	=	14.5	
			1	y	=	14.5	
			1	y	=	6.7	
				y	=	6  7/10	
shampoo	unit price	7.80					
body wash unit price	6.70					
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