document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=892875>Question 892875</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 4 skilled workers can do a job in 5 days. 5 semi skilled worers can do <BR>\n" );
document.write( "The same job in 6 days.How long does it take 1 semi skilled and 2 ski<BR>\n" );
document.write( "Lled wlrkers to do the job working together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #540861 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=540861\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let r = semi skilled worker rate for 1 worker<BR>\n" );
document.write( "Let R = skilled worker rate for 1 worker\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4R%2A5=1 ALIGN=MIDDLE  ALT=\"4R%2A5=1\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5r%2A6=1 ALIGN=MIDDLE  ALT=\"5r%2A6=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R=1%2F20 ALIGN=MIDDLE  ALT=\"R=1%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=1%2F30 ALIGN=MIDDLE  ALT=\"r=1%2F30\"   DISABLED_style= \"max-width:90%; height:auto;\" >, you know the one-worker work rate as job per time in days.\r<BR>\n" );
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document.write( "The rate of a group of workers together is the combined rate by addition of all of the workers in the group.\r<BR>\n" );
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document.write( "Your question needs a time variable, d for days.<BR>\n" );
document.write( "1 semi skilled plus 2 skilled workers;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28%28r%2B2R%29d=1%29 ALIGN=MIDDLE  ALT=\"highlight_green%28%28r%2B2R%29d=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=1%2F%28r%2B2R%29 ALIGN=MIDDLE  ALT=\"d=1%2F%28r%2B2R%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=1%2F%281%2F30%2B2%2F20%29%7D%7D%0D%0A%7B%7B%7Bd=1%2F%281%2F30%2B1%2F10%29 ALIGN=MIDDLE  ALT=\"d=1%2F%281%2F30%2B2%2F20%29%7D%7D%0D%0A%7B%7B%7Bd=1%2F%281%2F30%2B1%2F10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=1%2F%281%2F30%2B3%2F30%29 ALIGN=MIDDLE  ALT=\"d=1%2F%281%2F30%2B3%2F30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=1%2F%284%2F30%29=30%2F4 ALIGN=MIDDLE  ALT=\"d=1%2F%284%2F30%29=30%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=15%2F2 ALIGN=MIDDLE  ALT=\"d=15%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28d=7%261%2F2%29 ALIGN=MIDDLE  ALT=\"highlight%28d=7%261%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > days </SPAN>\n" );
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