document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=348257>Question 348257</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much water must be added to 20.0ml of a 60.0% saline solution in order to make a 45.0% saline solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #248978 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=248978\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How much water must be added to 20.0 ml of a <BR>\n" );
document.write( "60.0% saline solution in order <BR>\n" );
document.write( "to make a 45.0% saline solution?<BR>\n" );
document.write( "---------------------------------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "salt + salt = salt<BR>\n" );
document.write( "0*x + 0.60*20 = 0.45(x+20)<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "60*20 = 45x + 45*20<BR>\n" );
document.write( "45x = 15*20<BR>\n" );
document.write( "x = (1/3)20<BR>\n" );
document.write( "x = 6 2/3 ml (amount of water needed for the mixture)<BR>\n" );
document.write( "=========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );