Question 472164
	percentage----------------			quantity							
	Alcohol I70	----------------			x	liters						
	Alcohol II30	----------------	8	-	x	liters						
	Mixture	40.00%	----------------	8									
													
	70x+30(8-x)=40*8
													
	70x+240-	30x=320		
	70x-30x=	320-240		
	40x=80							
	/40											
	x=2	liters	70.00%		Alcohol I
	6	liters	30.00%		Alcohol II