Question 446185
	percent	----------------			quantity							
Acid solution I	10----------------x ml						
Acid solution II 15----------------100-x ml						
Total	12.00%	----------------	100				
10x+15(100-x)=12*100
10x+1500-15x=1200		
10x-15x	=1200-1500		
-5x=-300							
/-5										
x=60ml	10.00%		
40ml15.00%