document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1036311>Question 1036311</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ray is 15 years older than sam and sam is 12 years younger than bert. Their ages total 42 years. how old are they all </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #650966 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=650966\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ray is 15 years older than sam and sam is 12 years younger than bert. Their ages total 42 years. how old are they all <BR>\n" );
document.write( "----<BR>\n" );
document.write( "Equations:<BR>\n" );
document.write( "r = s + 15<BR>\n" );
document.write( "s = b-12<BR>\n" );
document.write( "r + s = b = 42<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Substitute for \"r\" and for \"b\" and solve for \"s\"::<BR>\n" );
document.write( "s+15 + s + s+12 = 42<BR>\n" );
document.write( "------<BR>\n" );
document.write( "3s = 42-27<BR>\n" );
document.write( "3s = 15<BR>\n" );
document.write( "sam = 5 yrs<BR>\n" );
document.write( "ray = s+15 = 20 yrs<BR>\n" );
document.write( "bert = s+12 = 17 yrs<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );