document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1095126>Question 1095126</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man is three times as old as his son. Four years ago,he was four times as old as his son was at the time.How old is the son? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #709735 by </B><A HREF=/tutors/aboutme.mpl?userid=ultrakimidis1><B>ultrakimidis1(8)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ultrakimidis1><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=709735\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Man's age=3x<BR>\n" );
document.write( "Son's age=x\r<BR>\n" );
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document.write( "Four years ago, <BR>\n" );
document.write( "Man's age =3x-4<BR>\n" );
document.write( "Son's age=x-4\r<BR>\n" );
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document.write( "Man is 4 times son's age:<BR>\n" );
document.write( "3x-4=3(x-4)<BR>\n" );
document.write( "Solving this linearly<BR>\n" );
document.write( "X=12<BR>\n" );
document.write( "Therefore son is 12 years\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );