Question 1028680
--------Bleach											
-----------percent----------------Amount									
Bleach	60	----------------			8	gallons						
Water	0	----------------			x	gallons						
Mixture	20	----------------	8	+	x	gallons						
												
60	*	8	+	0	x	=	20	(	8	+	x	)
480	+	0	x	=	160	+	20	x				
0	x		-20	x	=	-480	+	160				
-20	x	=	-320									
/	-20											
x	=	16		gallons	Water							
												
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