Question 577678
percent		----------------			quantity									
Acod solution type I	50.00%	----------------			x	liters								
Acid solution type II	30.00%	------	200	-	x	liters								
Mixture	40.00%	----------------	200											
														
50.00%	x+30.00%(200-x)=40.00%	*	200		
50x+30(200-x)=	8000				
50x+6000-30x=8000				
50x-30x	=8000-6000				
20x=	2000									
/	20													
x=	100	liters			50.00%		Acid solution type I		
100		liters	30.00%	Acid solution type II 50		
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