Question 458270
------	percent	----------------	quantity									
Antifreeze I	40	----------------			16	quarts						
Antifreeze II	10	----------------			x	quarts						
Total	30	----------------	16	+	x	quarts						
												
40*16+10	*x=30(16	+x)							
640+10x=	480+30x				
10x-30x=	480-640				
-20x=-160
/-20							
x=8 quarts 10%	Antifreeze II