document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=974047>Question 974047</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mommy Grace is 27yrs old. Her son is 13yrs old. How many years ago was Mommy Grace 3 times as old as her son?? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #596068 by </B><A HREF=/tutors/aboutme.mpl?userid=larrypizzu+><B>larrypizzu (5)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=larrypizzu+><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=596068\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the years ago be X\r<BR>\n" );
document.write( "\n" );
document.write( "At X years ago Mommy grace will be (27-X)<BR>\n" );
document.write( "At X years ago the son will be (13-X)\r<BR>\n" );
document.write( "\n" );
document.write( "Note that according to the question, at X years ago age of mommy grace = 3 times age of son\r<BR>\n" );
document.write( "\n" );
document.write( "Therefore (27-X) = 3 * (13-X)\r<BR>\n" );
document.write( "\n" );
document.write( "27-X = 39-3X\r<BR>\n" );
document.write( "\n" );
document.write( "3X-X = 39-27<BR>\n" );
document.write( "2X = 12\r<BR>\n" );
document.write( "\n" );
document.write( "X= 12/2<BR>\n" );
document.write( "X= 6 years ago\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );