Question 999515


	percent	----------------			quantity								
Acid type I	50.00%	----------------			x	liters							
acid type II	30.00%	------	180	-	x	liters							
Mixture	40.00%	----------------	180										
	180												
50.00%	x	+	30.00%	(	180	-	x	)	=	40.00%	*	180	
50	x	+	30	(	180	-	x	)	=	7200			
50	x	+	5400	-	30	x	=			7200			
50	x	-	30	x			=	7200	-	-5400			
20	x			=	1800								
/	20												
	x			=	90		liters			50.00%		Acid type I	
					90		liters			30.00%		acid type II	
													
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