document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077184>Question 1077184</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Darren is four times old as Tabitha. In twenty years, Darren will be twice as old as Tabitha. How old are they now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #691721 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=691721\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D = 4T<BR>\n" );
document.write( "and in twenty years:<BR>\n" );
document.write( "D+20 = 2(T+20) substitute for D:<BR>\n" );
document.write( "4T+20 = 2(T+20)<BR>\n" );
document.write( "4T+20 = 2T+40<BR>\n" );
document.write( "4T = 2T+20<BR>\n" );
document.write( "2T = 20<BR>\n" );
document.write( "T = 10 <BR>\n" );
document.write( "Tabitha is 10 and Darren is 40 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );