Question 940045
	percent	----------------			quantity								
Disinfectant I	75.00%	----------------			x	L							
Disinfectant II	25.00%	------	30	-	x	L							
Mixture	45.00%	----------------	30										
Total	30		L										
75.00%	x	+	25.00%	(	30	-	x	)	=	45.00%	*	30	
75	x	+	25	(	30	-	x	)	=	1350			
75	x	+	750	-	25	x	=			1350			
75	x	-	25	x			=	1350	-	-750			
50	x			=	600								
/	50												
	x			=	12		L			75.00%		Disinfectant I	
					18		L			25.00%		Disinfectant II	
													
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