Question 502876
	--------percent	----------------	quantity									
soda	0	----------------			3	quarts						
fruit juice	45	----------------			x	quarts						
Mixture	30	----------------	3	+	x	quarts						
												
0	*	3	+	45	x	=	30	(	3	+	x	)
0	+	45	x	=	90	+	30	x				
45	x	+	-30	x	=	90	-	0				
15	x	=	90									
/	15											
x	=	6										
		6	quarts		of	45	%	fruit juice