document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1071600>Question 1071600</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of Mark's and Billy's ages is 20. Their difference of their ages is 4. Find their ages </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #686506 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52794)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=686506\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "8 and 12,   or\r<BR>\n" );
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document.write( "12 and 8.\r<BR>\n" );
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document.write( "Notice that if you subtract 4 from 20 and divide the result by 2, you will get exactly 8.\r<BR>\n" );
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