document.write( "Question 814295: Thank you for helping me with this
\n" );
document.write( "ALLOGATION MATH: word problem\r
\n" );
document.write( "\n" );
document.write( "You have in stock a 30gram tube of 1% hydrocortisone cream and a 45 gram tube of 2.5% hydrocortisone cream and you need to prepare a 30 gram tube of 2% hydrocortisone. How much of each tube do you use to create this new concentration?\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #490245 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! a+b=30, \n" ); document.write( ".01*a+.025*b=.02*30 \n" ); document.write( "a=10., b=20. \n" ); document.write( "10 grams of 1% and 20g of 2.5% \n" ); document.write( " |