document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=832899>Question 832899</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Joe is twice as old as David. The sum of their ages is 63. How old are David and Joe </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #502223 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=502223\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> J = 2D<BR>\n" );
document.write( "J + D = 63<BR>\n" );
document.write( "To solve this, substitute the value of J into the second equation.<BR>\n" );
document.write( "J + D = 63<BR>\n" );
document.write( "(2D) + D = 63<BR>\n" );
document.write( "3D = 63<BR>\n" );
document.write( "Divide each side by 3<BR>\n" );
document.write( "D = 21<BR>\n" );
document.write( ".<BR>\n" );
document.write( "If David is 21, then Joe is 42 -- twice as old </SPAN>\n" );
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