Question 424766
percent	----------------	 quantity	
59	----------------	x liters
38	----------------	42-x liters
50.00%	----------------	42 liters			

59x+38(42-x)=50*42							
59x+1596	-38x=2100		
59x-38x=	2100-1596		
21x-=504							
/21									
x=24 liters 59.00%