document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1015513>Question 1015513</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of ages of john and mark is 29 years.john is 3 years older than mark.how old is john? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #631900 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=631900\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "J=John's age; M=Mark's age=J-3<BR>\n" );
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document.write( "J+M=29<BR>\n" );
document.write( "J+(J-3)=29<BR>\n" );
document.write( "2J=32<BR>\n" );
document.write( "J=16<BR>\n" );
document.write( ".<BR>\n" );
document.write( "ANSWER: John is 16 years old.<BR>\n" );
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document.write( "CHECK:<BR>\n" );
document.write( "M=J-3=16-3=13<BR>\n" );
document.write( "Mark is 13 years old.<BR>\n" );
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document.write( "J+M=29<BR>\n" );
document.write( "16+13=29<BR>\n" );
document.write( "29=29<BR>\n" );
document.write( ".<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );