document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=276407>Question 276407</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many kgs of salt must be added to 24 kg of 20% salt solution in order to increase the concentration of salt to 40%? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #201457 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=201457\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many kgs of salt must be added to 24 kg of 20% salt solution in order to increase the concentration of salt to 40%?\r<BR>\n" );
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document.write( "salt 100%-------------------- 20%---------------40%  strength\r<BR>\n" );
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document.write( "x------------------------------24 kgs-----------x+24 kgs\r<BR>\n" );
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document.write( "100%*x+20%*24=40%*(x+24)\r<BR>\n" );
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document.write( "1x+4.80=.4x+9.6\r<BR>\n" );
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document.write( "x-0.4x=6-4.8\r<BR>\n" );
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document.write( "0.6x=1.2<BR>\n" );
document.write( "x=1.2/0.6 = 2 kgs </SPAN>\n" );
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