Question 801308
---	percent	----------------	Amount									
Alcohol Solution   I	20	----------------			9	ounces						
Alcohol solution II	15	----------------			x	ounces						
Mixture	18	----------------	9	+	x	ounces						
												
20	*	9	+	15	x	=	18	(	9	+	x	)
180	+	15	x	=	162	+	18	x				
15	x		-18	x	=	-180	+	162				
-3	x	=	-18									
/	-3											
x	=	6		ounces	Alcohol solution II							
												
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