document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=600434>Question 600434</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a father is 30 years older than his son. three years ago he was four times as old as his son. how old is the father? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #379356 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=379356\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f=s+30<BR>\n" );
document.write( "f-3=4*(s-3)<BR>\n" );
document.write( "f-3=4s-12<BR>\n" );
document.write( "s+30-3=4s-12<BR>\n" );
document.write( "x+27=4s-12<BR>\n" );
document.write( "39=3x<BR>\n" );
document.write( "13=s<BR>\n" );
document.write( "43=f<BR>\n" );
document.write( "check<BR>\n" );
document.write( "40=4*10<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );