Question 492615
percent	percentage	----------------			quantity							
Acid I	80	----------------			x	ml						
Acid II	25	----------------	660	-	x	ml						
Mixture	50.00%	----------------	660									
												
80	x	+	25	(	660	-	x	)	=	50	*	660
												
80	x	+	16500	-	25	x	=			33000		
80	x	-	25	x			=	33000	-	16500		
55	x			=	16500							
/	55											
	x=	300		ml 	80.00%		Acid I
		360		ml			25.00%		Acid II