<PRE><B>Question 934141</B>
---	percent	----------------	Quantity									
Acid I	25	----------------			60	ml						
Pure acid	100	----------------			x	ml						
Mixture	35	----------------	60	+	x	ml						
												
25	*	60	+	100	x	=	35	(	60	+	x	)
1500	+	100	x	=	2100	+	35	x				
100	x		-35	x	=	-1500	+	2100				
65	x	=	600									
/	65											
x	=	9.23		ml	Pure acid							
												
m.ananth@hotmail.ca												
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