document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1012804>Question 1012804</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A father is three times as old as his son 5 years ago fathers age was four times his son age then find their present ages  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #628880 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=628880\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A father is three times as old as his son 5 years ago fathers age was four times his son age then find their present ages <BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "f = 3s<BR>\n" );
document.write( "f-5 = 4(s-5)<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Substitute for \"f\" and solve for \"s\"::<BR>\n" );
document.write( "3s-5 = 4s-20<BR>\n" );
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document.write( "Son's age = 15 yrs<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Solve for \"f\"::<BR>\n" );
document.write( "f = 3s<BR>\n" );
document.write( "Father's age = 3*15 = 45 yrs<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );