document.write( "Question 808190: Doreen Schmidt is a chemist. She needs to prepare 28 ounces of a 12% hydrochloric acid solution. Find the amount of 14% and the amount of 7% solution she should mix to get this solution. \n" ); document.write( "
Algebra.Com's Answer #486824 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! a+b=28, \n" ); document.write( ".14a+.07b=.12(28) \n" ); document.write( "a=20, b=8\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |