Question 478986
-------	percent	----------------	quantity										
Alcohol I	60	----------------			20	ounces							
Alcohol II	30	----------------			x	ounces							
Total	50	----------------	20	+	x	ounces							
													
60*20+30	*x=50(20	+x	)
													
1200+30	x=1000+50x					
													
30	x	-	50	x	=	1000	-	1200					
													
-20	x	=	-200						/		-20							
x	=		10	ounces	30	%	Alcohol II