document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1101730>Question 1101730</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Rob is 21 years old, angie is twice as old as Rob was when Angie was old as Rob is now, how old is angie? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #716330 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=716330\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let n be the number of years that have passed since Angie was Rob's age, or 21. Then:<BR>\n" );
document.write( "21+n=2(21-n)<BR>\n" );
document.write( "21+n=42-2n<BR>\n" );
document.write( "3n=21<BR>\n" );
document.write( "n=7<BR>\n" );
document.write( "Angie is 28, Rob is 21. Seven years ago, Rob was 14---Angie is now twice that, or 28<BR>\n" );
document.write( "&#9786;&#9786;&#9786;&#9786;<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );