<PRE><B>Question 439343</B>
	percent	----------------			quantity							
Acid I	80	----------------			x							
Acid II	30	----------------	1050	-	x							
Total	50.00%	----------------	1050									
												
80x+30(1050-x)=	50*1050
80x+31500-30x=52500		
80x-30x	=52500-31500		
50x=21000							
/50									
x=420 ml 80.00%		
630 ml	30.00%	</PRE>