document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=96804>Question 96804</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am two digit number. I am twice the product of my digits. What number am I? \r<BR>\n" );
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document.write( "I know that the number is 36. As 2(3*6)=36. How can I arrive at a formulae to arrive this answer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #70422 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=70422\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let t=(tens digit), let u=(units digit) ... 2*t*u=10t+u ... 2tu-10t=u ...2t(u-5)=u ... 2t=u/(u-5)\r<BR>\n" );
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document.write( "u<10 and t<10 ... from the equation, u>5 and u/u-5 is an integer ... 6 is the only number that fits\r<BR>\n" );
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document.write( "if u is 6, then t is 3 </SPAN>\n" );
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