document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1049638>Question 1049638</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Worker \"A\" can do a certain job in 3hrs, while \"B\" can do same same work in 4hrs of they work together, how long will it take them to do job? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #665214 by </B><A HREF=/tutors/aboutme.mpl?userid=advanced_Learner><B>advanced_Learner(501)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=advanced_Learner><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=advanced_Learner><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=665214\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A data\r<BR>\n" );
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document.write( "time 3\r<BR>\n" );
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document.write( "rate 1/3\r<BR>\n" );
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document.write( "B date\r<BR>\n" );
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document.write( "time 4<BR>\n" );
document.write( "rate 1/4\r<BR>\n" );
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document.write( "so<BR>\n" );
document.write( "1/3+1/4=1/r<BR>\n" );
document.write( "(4+3)/12=1/r<BR>\n" );
document.write( "7/12=1/r<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r ALIGN=MIDDLE  ALT=\"r\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2F7 ALIGN=MIDDLE  ALT=\"12%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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