document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=123166>Question 123166</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the sum of the digits in a two digit number is 17. if the digits are reversed, the new number will be 9 less than the original number. what is the original number? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90475 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=90475\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let t=\"tens digit\" and u=\"units digit\"\r<BR>\n" );
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document.write( "\"the sum of the digits in a two digit number is 17\" __ t+u=17 __ t=17-u\r<BR>\n" );
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document.write( "\"if the digits are reversed, the new number will be 9 less than the original number\"<BR>\n" );
document.write( "__ 10u+t+9=10t+u\r<BR>\n" );
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document.write( "substituting for t __ 10u+17-u+9=170-10u+u __ 18u=144 </SPAN>\n" );
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