document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=665974>Question 665974</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the ones digit of a two digit number is twice its tens digit. if the sum of its digits is 12, 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 #414187 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=414187\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Establish variables<BR>\n" );
document.write( "x = tens place<BR>\n" );
document.write( "y = ones place<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Given<BR>\n" );
document.write( "y=2x<BR>\n" );
document.write( "x+y=12<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Substitute y into the second equation<BR>\n" );
document.write( "x + 2x = 12<BR>\n" );
document.write( "3x = 12<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x+=+4%29 ALIGN=MIDDLE  ALT=\"highlight%28x+=+4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > as the digit in the tens place.<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Rearranging y=2x as x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%2F2 ALIGN=MIDDLE  ALT=\"y%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, substitute into the second equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%2F2%29+%2B+y+=+12 ALIGN=MIDDLE  ALT=\"%28y%2F2%29+%2B+y+=+12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply the entire equation by 2 to be rid of the fraction.<BR>\n" );
document.write( "y + 2y = 24<BR>\n" );
document.write( "3y = 24<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y+=+8%29 ALIGN=MIDDLE  ALT=\"highlight%28y+=+8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > as the digit in the ones place.<BR>\n" );
document.write( "...<BR>\n" );
document.write( "The number is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2848%29 ALIGN=MIDDLE  ALT=\"highlight%2848%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "...<BR>\n" );
document.write( "Check  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cartoon%28%0D%0A4+%2B+8%2C+12%2C%0D%0A%284%29%282%29%2C8%29 ALIGN=MIDDLE  ALT=\"cartoon%28%0D%0A4+%2B+8%2C+12%2C%0D%0A%284%29%282%29%2C8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".....................<BR>\n" );
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