document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=658775>Question 658775</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of the digits of a two digit number is 9. Also, nine times this number is twice the number obtained by reversing the digits of the number. Find the number. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #410478 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=410478\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sum of the digits of a two digit number is 9. Also, nine times this number is twice the number obtained by reversing the digits of the number. Find the number.<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let u=units digit<BR>\n" );
document.write( "let t=tens digit<BR>\n" );
document.write( "t+u=9<BR>\n" );
document.write( "t=9-u<BR>\n" );
document.write( "number=10t+u<BR>\n" );
document.write( "..<BR>\n" );
document.write( "9(10t+u)=2(10u+t)<BR>\n" );
document.write( "90t+9u=20u+2t<BR>\n" );
document.write( "11u=88t=88(9-u)=792-88u<BR>\n" );
document.write( "99u=792<BR>\n" );
document.write( "u=792/99<BR>\n" );
document.write( "u=8<BR>\n" );
document.write( "t=9-u=1<BR>\n" );
document.write( "10t+u=10+8=18<BR>\n" );
document.write( "number=18 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );