Question 446083
------	percent	----------------	quantity										
Antifreez1 I	80----------------	40 gallons							
Antifreeze II	10----------------x gallons							
Total	30	----------------40+x gallons				
30*10+70*x=45(10+x)
300+70x=450+45x					
70x-45x=450-300					
25x=150										
/25									
x=6 gallons	70	%	Antifreeze II