document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=358304>Question 358304</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Robert is 3 times as older as his son; but 14 years ago he was 10 times as older as his son. Find the age of his son. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #255692 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=255692\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Robert is 3 times as old as his son; but 14 years ago he was 10 times as older as his son. Find the age of his son.<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Equations:<BR>\n" );
document.write( "r = 3s<BR>\n" );
document.write( "r-14 = 10(s-14)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Substitute for \"r\" and solve for \"s\":<BR>\n" );
document.write( "3s-14 = 10s-140<BR>\n" );
document.write( "7s = 126<BR>\n" );
document.write( "s = 18 (son's age now)<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );