Question 522633
---------percent		----------------			quantity								
Solution I	80	----------------			x	liters							
Solution II	20	------	100	-	x	liters							
Mixture	50.00%	----------------	100										
													
80x+20(100-x)=50*100	
													
80x+2000-20x=5000	
80x-20x=5000-2000			
60x=3000								
/60												
x=50		liters			80.00%		Solution I	
50		liters			20.00%		Solution II