Question 777137
Pedigree food													
	Price	----------------			quantity								
Type I	0.31	----------------			x	pounds							
Type II	0.77	------	27	-	x	pounds							
Mixture	0.46	----------------	27										
													
0.31	x	+	0.77	(	27	-	x	)	=	12.42			
0.31	x	+	20.79	-	0.77	x	=			12.42			
0.31	x	-	0.77	x			=	12.42	-	-20.79			
-0.46	x			=	-8.37								
/	-0.46												
	x			=	18.2		pounds			0.31		Type I	
					8.8		pounds			0.77		Type II	
													
m.ananth@hotmail.ca