document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=128109>Question 128109</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of a two-digit number and its reverse is 121. The ones digit is seven more than the tens digit.what is 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 #93811 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=93811\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let t be the tens digit and u be the units digit.<BR>\n" );
document.write( "The number = 10t+u<BR>\n" );
document.write( "u=t+7<BR>\n" );
document.write( "10t+(t+7)+10(t+7)+t=121<BR>\n" );
document.write( "10t+t+7+10t+70+t=121<BR>\n" );
document.write( "22t+77=121<BR>\n" );
document.write( "22t+77-77=121-77<BR>\n" );
document.write( "22t=44<BR>\n" );
document.write( "t=2<BR>\n" );
document.write( "u=2+7=9<BR>\n" );
document.write( "29 is the number.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "29+92=121<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );