Question 585618
-------------- 	percent	----------------	Amount									
Salt solution I	15	----------------			12	gallons						
salt solution II	10	----------------x	gallons						
Total	12	----------------	12	+	x	gallons						
												
15*12+10x=12(12	+x)
180+10x	=144+12	x				
10x-12x	=-180+144				
-2x	=-36									
/	-2											
x	=	18	of	gallons	salt solution II							
		18	of	gallons	Salt solution I							
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