document.write( "Question 402096: A pharmacist needs to make a 1% hydrocortisone cream. How many grams of 2.5% hydrocortisone cream should be added to 15 grams of cream base (0% hydrocortisone) to make the 1% cream? \n" ); document.write( "
Algebra.Com's Answer #284482 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! A pharmacist needs to make a 1% hydrocortisone cream. How many grams of 2.5% hydrocortisone cream should be added to 15 grams of cream base (0% hydrocortisone) to make the 1% cream?\r \n" ); document.write( "\n" ); document.write( "..\r \n" ); document.write( "\n" ); document.write( "let x=grams of 2.5% cream to be added \n" ); document.write( "grams of cream base to be added=15 \n" ); document.write( "then x+15 = total grams of final 1% cream\r \n" ); document.write( "\n" ); document.write( ".025x+0*15=.01(x+15) \n" ); document.write( "2.5x=x+15 \n" ); document.write( "1.5x=15 \n" ); document.write( "x=10 grams \n" ); document.write( "ans:10 grams of 2.5% hydrocortisone cream should be added to 15 grams of cream base to make the 1% cream? \n" ); document.write( " |