Question 433582
	percent	----------------			quantity							
Ammonia I15----------------x	ounces						
Ammonia II40----------------100	-x ounces						
Total	20.00%	----------------100									
												
15x+40(100-x)=20*100
15x+4000-40x=2000		
15x-40x=2000-4000		
-25x=	-2000							
/-25									
x=80	ounces		15.00%		
Balance 20 ounces = 40% ammonia