document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=170797>Question 170797</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Paul is 12 and his father is 33. How many years ago was the father four times as old as 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 #126089 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=126089\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if paul's age is p and fathers age is f<BR>\n" );
document.write( ":f=33 and p=12 let x be the number of years ago the father was 4 times older than the son<BR>\n" );
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document.write( "f-x=4(p-x)\r<BR>\n" );
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document.write( "33-x=4(12-x)<BR>\n" );
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document.write( "33-x=48-4x<BR>\n" );
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document.write( "3x=15<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=5%29 ALIGN=MIDDLE  ALT=\"highlight%28x=5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >years ago father was 4 times older </SPAN>\n" );
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