Question 783105
	percent	----------------			quantity									
Alcohol type I	10.00%	----------------			x	liters								
Alcohol type II	50.00%	------	20	-	x	liters								
Mixture	40.00%	----------------	20											
Total	20		liters											
10.00%	x	+	50.00%	(	20	-	x	)	=	40.00%	*	20		
10	x	+	50	(	20	-	x	)	=	800				
10	x	+	1000	-	50	x	=			800				
10	x	-	50	x			=	800	-	-1000				
-40	x			=	-200									
/	-40													
	x			=	5		liters			10.00%		Alcohol type I		
					15		liters			50.00%		Alcohol type II		
														
m.ananth@hotmail.ca