document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155509>Question 1155509</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A and b  can paint a wall in 2 hours<BR>\n" );
document.write( "A and C  can paint the wall in 3 hours<BR>\n" );
document.write( "B and C can paint the wall in 4 hours<BR>\n" );
document.write( "How long will it take to paint the wall if all 3 work together  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #778109 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=778109\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If the times for each of them working alone were a, b, c<BR>\n" );
document.write( "then, skipping steps,<BR>\n" );
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document.write( "The time for all three working together,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24%2F13 ALIGN=MIDDLE  ALT=\"24%2F13\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fa%2B1%2Fb%2B1%2Fc=13%2F24 ALIGN=MIDDLE  ALT=\"1%2Fa%2B1%2Fb%2B1%2Fc=13%2F24\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=just ALIGN=MIDDLE  ALT=\"just\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=the ALIGN=MIDDLE  ALT=\"the\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=total ALIGN=MIDDLE  ALT=\"total\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=rate ALIGN=MIDDLE  ALT=\"rate\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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