document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=241776>Question 241776</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a man is 40 years old and his son is 8 years old.  In how many years will the man be 3 times as old as his son will be then? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #177076 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=177076\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 40+x=3(8+x)<BR>\n" );
document.write( "40+x=24+3x<BR>\n" );
document.write( "x-3x=24-40<BR>\n" );
document.write( "-2x=-16<BR>\n" );
document.write( "x=-16/-2<BR>\n" );
document.write( "x=8 years from now the dad will be 3 times as old as the son.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "40+8=3(8+8)<BR>\n" );
document.write( "48=3*16<BR>\n" );
document.write( "48=48 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );