document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=671533>Question 671533</A>: <I><SPAN STYLE=\"word-break: break-all;\"> my sum of my digits is 16 the product of my digits is 64 what number am i? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #417453 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=417453\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> my sum of my digits is 16 the product of my digits is 64 what number am i?<BR>\n" );
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document.write( "Assuming the number is a 2 digit number, let it be 10t + u<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Equations:<BR>\n" );
document.write( "t + u = 16<BR>\n" );
document.write( "t*u = 64<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Substitute for \"t\" and solve for \"u\":<BR>\n" );
document.write( "t = 16-u<BR>\n" );
document.write( "(16-u)u = 64<BR>\n" );
document.write( "16u - u^2 = 64<BR>\n" );
document.write( "u^2 - 16u + 64 = 0<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "(u-8)^2 = 0<BR>\n" );
document.write( "u = 8<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Solve for \"t\":<BR>\n" );
document.write( "t + 8 = 16<BR>\n" );
document.write( "t = 8<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "The number is 10t+u = 88<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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