document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=272701>Question 272701</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The units digit of a two-digit number exceeds the tens digit by 2. Find the number if it is 4 times the sum of it digits. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199389 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=199389\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The units digit of a two-digit number exceeds the tens digit by 2. Find the number if it is 4 times the sum of it digits.<BR>\n" );
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document.write( "Let the number be 10t+u where t is the tens and u is the units digit.<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "u = t+2<BR>\n" );
document.write( "10t+u = 4(t+u)<BR>\n" );
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document.write( "Simplify the 2nd equation:<BR>\n" );
document.write( "6t = 3u<BR>\n" );
document.write( "u = 2t<BR>\n" );
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document.write( "Then t+2 = 2t<BR>\n" );
document.write( "t = 2<BR>\n" );
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document.write( "Since u = t+2, u = 4<BR>\n" );
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document.write( "The number is 24<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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