Question 580475
------------	percent	----------------	Amount								
Acid type I	10	----------------			2	liters					
Pure acid	100	----------------			x	liters					
Total	20	----------------	2	+	x	liters					
											
10*2+100x=20(2	+x)
20+100	x=40+20	x			
100x-20	x	=-20+	40			
80	x	=	20								
/	80										
x	=	0.25	of	liters	Pure acid						
		0.25	of	liters	Acid type I						
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