Question 550981
percent	percentage	----------------			quantity								
Acid type I	2	----------------			x	ml							
Acid type II	5	----------------	24	-	x	ml							
Mixture	4.00%	----------------	24										
													
2x+5(24-x)=4*24	
2x+120-5x=96			
2x-5x=96-120			
-3x=-24								
/-3												
x=8ml	2.00%		Acid type I	
16		ml			5.00%		Acid type II