document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1037630>Question 1037630</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 12 children working 8 hours a day can clean up their school in 5 days, then 8 children working 19 hours a day will clean the school in how many days. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #652252 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39799)</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=652252\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rate, Time, JOB.  The basic rule RT=J, based on rate being  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=J%2FT=R ALIGN=MIDDLE  ALT=\"J%2FT=R\"   DISABLED_style= \"max-width:90%; height:auto;\" >, in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=JOB%2FTIME ALIGN=MIDDLE  ALT=\"JOB%2FTIME\"   DISABLED_style= \"max-width:90%; height:auto;\" > unit.\r<BR>\n" );
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document.write( "N children all working at individual rates R will work at a rate NR.\r<BR>\n" );
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document.write( "\"Clean their school\" is 1 whole job.  Put the attention of time on HOURS.  Figure the days later.\r<BR>\n" );
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document.write( "12 children working 8 hours a day can clean up their school in 5 days, <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12r%2A8%2A5=1 ALIGN=MIDDLE  ALT=\"12r%2A8%2A5=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "then 8 children working 19 hours a day will clean the school in how many days.<BR>\n" );
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document.write( "Let t be the number of HOURS.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8r%2At=1 ALIGN=MIDDLE  ALT=\"8r%2At=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The system of equations using time t in hours is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2812r%2A8%2A5=1%2C8r%2At=1%29 ALIGN=MIDDLE  ALT=\"system%2812r%2A8%2A5=1%2C8r%2At=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Two expressions which are both equal to 1.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12r%2A8%2A5=8rt ALIGN=MIDDLE  ALT=\"12r%2A8%2A5=8rt\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2A5=t ALIGN=MIDDLE  ALT=\"12%2A5=t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28t=60%29 ALIGN=MIDDLE  ALT=\"highlight%28t=60%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >------------60 hours.\r<BR>\n" );
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document.write( "Now finish the answer according to the specified  19 hours per day.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60%2Ahours%2A%281%2F19%29%28days%2Fhour%29 ALIGN=MIDDLE  ALT=\"60%2Ahours%2A%281%2F19%29%28days%2Fhour%29\"   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=highlight%283%263%2F19%29 ALIGN=MIDDLE  ALT=\"highlight%283%263%2F19%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, which is THREE days and maybe some either finishing for part of a day, or a bit of \"overtime\" during the last of the three days. </SPAN>\n" );
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