Question 872601
	Percent	----------------			quantity							
skim milk	5.50%	----------------			x	liters						
cream	9.50%	------	1	-	x	liters						
Mixture	6.50%	----------------	1									
Total	1		liters									
5.50%	x	+	9.50%	(	1	-	x	)	=	6.50%	*	1
5.5	x	+	9.5	(	1	-	x	)	=	6.5		
5.5	x	+	9.5	-	9.5	x	=			6.5		
5.5	x	-	9.5	x			=	6.5	-	-9.5		
-4	x			=	-3							
/	-4											
	x			=	0.75		liters			5.50%		skim milk
					0.25		liters			9.50%		cream
												
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