Question 476474
percent	percentage	----------------			quantity								
Alcohol I	40	----------------			x	liters							
Alcohol II	10	----------------	15	-	x	liters							
Mixture	25.00%	----------------	15										
													
40	x	+	10	(	15	-	x	)	=	25	*	15	
													
40x+150-10x=375			
40x-10x=375-150			
30x=	225								
/30												
x=7.5	liters	40.00%		Alcohol I	
7.5	liters	10.00%		Alcohol II	

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