Question 431211
	percent	----------------quantity							
White paint	0----------------x gallons						
Paint with dye	7----------------0.7-x	gallons						
Total	3.00%	----------------0.7 gallons									
												
0x+7(0.7-x)=3*0.7
4.9-7x=2.1		
-7x=2.1-4.9		
-7x=-2.8							
/-7											
x=0.4	gallons	white paint		
0.3 gallons	7.00%