document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=973149>Question 973149</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of Jerry and Joel's age is 36. Nine years ago, Jerry was twice as old as Joel. How old is 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 #595389 by </B><A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><B>amarjeeth123(569)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><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=595389\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let Jerry's present age be x.<BR>\n" );
document.write( "Let Joel's present age be y.<BR>\n" );
document.write( "We have x+y=36.........equation 1<BR>\n" );
document.write( "Nine years ago, Jerry was twice as old as Joel.<BR>\n" );
document.write( "x-9=2(y-9)<BR>\n" );
document.write( "x-9=2y-18<BR>\n" );
document.write( "x=2y-9..............equation 2<BR>\n" );
document.write( "Substituting equation 2 in equation 1 we get,<BR>\n" );
document.write( "2y-9+y=36<BR>\n" );
document.write( "3y-9=36<BR>\n" );
document.write( "3y=45<BR>\n" );
document.write( "y=15<BR>\n" );
document.write( "Substituting in equation 1 we get,<BR>\n" );
document.write( "x=21.<BR>\n" );
document.write( "Jerry's age is 21 and Joel's age is 15 years old.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );