document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205672>Question 1205672</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 8 builders can build a house in 40 days, how long will it take for 2 builders to build a house? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #842633 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39621)</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=842633\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Basic equation to relate the parts is as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%2Ar%2Ax=j ALIGN=MIDDLE  ALT=\"n%2Ar%2Ax=j\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "n, how many builders (or workers)<BR>\n" );
document.write( "r, the work rate of any 1 worker<BR>\n" );
document.write( "x, the time (in days, for this example)<BR>\n" );
document.write( "j, how much work, or how many houses (being 1 for this example)\r<BR>\n" );
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document.write( "8 builders can build a house in 40 days, ...<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8r%2A40=1 ALIGN=MIDDLE  ALT=\"8r%2A40=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "how long will it take for 2 builders to build a house?<BR>\n" );
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document.write( "you want to solve for value of x in<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2r%2Ax=1 ALIGN=MIDDLE  ALT=\"2r%2Ax=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "System is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%288%2A40%2Ar=1%2C2rx=1%29 ALIGN=MIDDLE  ALT=\"system%288%2A40%2Ar=1%2C2rx=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "but you essentially will no longer need variable, r.\r<BR>\n" );
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document.write( "Divide equation 1 by equation 2.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%281%2F%282%2A4%2A40%29%29=1 ALIGN=MIDDLE  ALT=\"2x%281%2F%282%2A4%2A40%29%29=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=x%2F160=1 ALIGN=MIDDLE  ALT=\"x%2F160=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=highlight%28x=160%29 ALIGN=MIDDLE  ALT=\"highlight%28x=160%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=days ALIGN=MIDDLE  ALT=\"days\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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