document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=383248>Question 383248</A>: <I><SPAN STYLE=\"word-break: break-all;\"> zelma is 18 years older than her son. she was 3 times as old as he was one year ago. how old are they now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #271404 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=271404\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> zelma is 18 years older than her son. she was 3 times as old as he was one year ago. how old are they now?<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Equations:<BR>\n" );
document.write( "z = s + 18<BR>\n" );
document.write( "(z-1) = 3(s-1)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Substitute for \"z\" and solve for \"s\":<BR>\n" );
document.write( "(s+18-1) = 3(s-1)<BR>\n" );
document.write( "(s+17) = 3s-3<BR>\n" );
document.write( "2s = 20<BR>\n" );
document.write( "s = 10 yrs (Son's age now)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Since z = s+18, z = 28 (Zelma's age now)<BR>\n" );
document.write( "==========================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );