document.write( "Question 460541: How many ounces of a 25 percent saline solution must be added to 50 ounces of a 13 percent saline solution to make a 20 percent saline solution? \n" ); document.write( "
Algebra.Com's Answer #316491 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! .25n+50(.13)=.2(n+50) \n" ); document.write( ".25n+6.5=.2n+10 \n" ); document.write( ".05n=3.5 \n" ); document.write( "n=3.5/.05=70 \n" ); document.write( "You need 70 ozs. of 13% solution to make your mix.. \n" ); document.write( " |