document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1177439>Question 1177439</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of the ages of Dylan and Noelle is 80 years. 10 years ago, Dylan's age was 3 times Noelle's age. How old is Dylan now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #806444 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=806444\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D+N=80<BR>\n" );
document.write( "(D-10)=3(N-10)<BR>\n" );
document.write( "D-10=3N-30<BR>\n" );
document.write( "D=3N-20<BR>\n" );
document.write( "so 4N-20=80<BR>\n" );
document.write( "N=25<BR>\n" );
document.write( "D=55<BR>\n" );
document.write( "10 years ago it was 15 and 45 for N and D respectively.<BR>\n" );
document.write( "Dylan is 55 now.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );