Question 402683
percent	----------------quantity
40.00%	----------------x
25.00%	----------------79-x
32.00%	----------------79		
....

40x+25(79-x)=32	*79
												
40x+1975-25x=2528		
												
15x=553							
/15											
x=36.87	liters of 40%
 42.13 liters of 25%