document.write( "Question 259556: A doctor prescribes an ointment that is 2% hydrocortisone. A pharmacist has 1% and 5% concentrations in stock. How much of each should the pharmacist use to make a 1-ounce tube? \n" ); document.write( "
Algebra.Com's Answer #191255 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! .01x+.05(1-x)=1*.02\r \n" ); document.write( "\n" ); document.write( ".75 at 1% \n" ); document.write( ".25 at 5% \n" ); document.write( " \n" ); document.write( " |