Question 782484
---	percent	----------------	Amount									
Alloy I	60	----------------			600	oz						
Alloy II	10	----------------			x	oz						
Mixture	20	----------------	600	+	x	oz						
60%	*	600	+	10%	x	=	20%	(	600	+	x	)
multiply by 100
												
60	*	600	+	10	x	=	20	(	600	+	x	)
36000	+	10	x	=	12000	+	20	x				
10	x		-20	x	=	-36000	+	12000				
-10	x	=	-24000									
/	-10											
x	=	2400		oz	Alloy II							
												
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