document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1137964>Question 1137964</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 9 years ago a woman was 3 times as old as her son, in 8 years from now the sum of their ages = 78 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #755834 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=755834\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> today woman is x, son is y<BR>\n" );
document.write( "x-9=3(y-9)<BR>\n" );
document.write( "x-9=3y-27<BR>\n" );
document.write( "3y-x=18<BR>\n" );
document.write( "in 8 years x+8 and y+8 and that sum is 78, so x+y+16=78<BR>\n" );
document.write( "x+y=62<BR>\n" );
document.write( "x=62-y<BR>\n" );
document.write( "so 3y-62+y=18<BR>\n" );
document.write( "4y=80<BR>\n" );
document.write( "y=20 son<BR>\n" );
document.write( "x=42 mother<BR>\n" );
document.write( "nine years earlier it was 33 and 11<BR>\n" );
document.write( "8 years from now it will be 50 and 28<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );