document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=811127>Question 811127</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A father is twice as old as his son. In 20 years, the son will be 2/3 as old as his father. How old are each now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #488672 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=488672\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f=2s,<BR>\n" );
document.write( "(s+20)=2/3(f+20)<BR>\n" );
document.write( "f = 40,   s = 20 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );