Question 473018
percent---------	percentage	----------------quantity									
Hydrocortisone type I	1---------------x	ounce								
Hydrocortisone type II	5----------------1-x	ounce								
Mixture	4.00%	----------------	1 ounce											
														
1x+5(1-	x)=4*1		
1x+5-5x	=4				
x-5x=	4	-	5				
-4x=-1									
/-4													
x=0.25	ounce	1.00%		Hydrocortisone type I		
0.75		ounce			5.00%		Hydrocortisone type II