document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=29980>Question 29980</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ok please please help me on this one my brain is about to burst\r<BR>\n" );
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document.write( "                  Mr. Williams is three times as old as his son. Twelve years from now, he will be only twice as old as his son. What are their ages now? In 12 years?\r<BR>\n" );
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document.write( "                                 Mr Williams now?<BR>\n" );
document.write( "                                 son now?<BR>\n" );
document.write( "                                 Mr. Williams in 12 years?<BR>\n" );
document.write( "                                 son in 12 years?   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #16736 by </B><A HREF=/tutors/aboutme.mpl?userid=Fermat><B>Fermat(136)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fermat><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=Fermat><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=16736\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let W represent the age of mr Williams<BR>\n" );
document.write( "let S represent the age of mr Williams' son\r<BR>\n" );
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document.write( "Currently, mr williams is three times as old as his son: this becomes,\r<BR>\n" );
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document.write( "W = 3S<BR>\n" );
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document.write( "Twelve years from now, he will be only twice as old as his son. This becomes,\r<BR>\n" );
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document.write( "W + 12 = 2x(S + 12)<BR>\n" );
document.write( "W + 12 = 2S + 24<BR>\n" );
document.write( "W = 2S + 12<BR>\n" );
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document.write( "We now substitute for W = 3S into the above eqn,\r<BR>\n" );
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document.write( "3S = 2S + 12<BR>\n" );
document.write( "S = 12<BR>\n" );
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document.write( "W = 36<BR>\n" );
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