document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=856739>Question 856739</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Working together, it takes Andy and Sam 7 hours to build a fence. Alone, it takes Andy twice the time as it takes Sam. How long does it take each working alone? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #516479 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=516479\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/(2s)+1/s=1/7<BR>\n" );
document.write( "1/(2s)+2/(2s)=1/7<BR>\n" );
document.write( "3/(2s)=1/7<BR>\n" );
document.write( "21/14s=2/14\r<BR>\n" );
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document.write( "a=2s=21\r<BR>\n" );
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document.write( "s=10.5<BR>\n" );
document.write( "1/10.5+1/21=1/7<BR>\n" );
document.write( "2/21+1/21=1/7<BR>\n" );
document.write( "3/21=1/7<BR>\n" );
document.write( "ok\r<BR>\n" );
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document.write( " </SPAN>\n" );
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