document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=114415>Question 114415</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395771161/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> This is the closest subject I could find, but the topic is Digit Problems. The question is: A two-digit number is four times the sum of its digits. The tens digit is 3 less then the units 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 #83229 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=83229\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A two-digit number is four times the sum of its digits. The tens digit is 3 less then the units digit. What is the number?<BR>\n" );
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document.write( "Every two-digit number can be written as 10t+u where t is the tens digit<BR>\n" );
document.write( "and u is the units digit.<BR>\n" );
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document.write( "EQUATIONS:<BR>\n" );
document.write( "10t+u = 4(t+u)<BR>\n" );
document.write( "t = u-3<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Rearrange<BR>\n" );
document.write( "6t-3u = 0<BR>\n" );
document.write( "t = u-3<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Substitute to solve for \"u\":<BR>\n" );
document.write( "6(u-3) - 3u = 0<BR>\n" );
document.write( "3u-18 = 0<BR>\n" );
document.write( "u = 6<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Substitue to solve for \"t\"<BR>\n" );
document.write( "t = 6-3 = 3<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "The number is 36<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );