document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=63697>Question 63697</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ricardo is 4 years less than twice as old as his sister.  The sum of their ages is 20.  How old is Ricardo? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #44407 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=44407\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> R+S=20<BR>\n" );
document.write( "R=2S-4 THUS<BR>\n" );
document.write( "(2S-4)+S=20<BR>\n" );
document.write( "2S-4+S=20<BR>\n" );
document.write( "3S=20+4<BR>\n" );
document.write( "3S=24<BR>\n" );
document.write( "S=24/3<BR>\n" );
document.write( "S=8 THE R=2*8-4 OR R=16-4 OR R=12<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( "12+8=20<BR>\n" );
document.write( "20=20 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );