document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=368955>Question 368955</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. a electrician requires 65 min to install a ceiling fan. The electrican and an apprentice working together take 40 min to install the fan.  How long would it take the apprentice working alone to install the ceiling fan?\r<BR>\n" );
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document.write( "2. 3       -   x2 + x    .   2x2 + x - 3<BR>\n" );
document.write( "  ________   ___________  ____________<BR>\n" );
document.write( "    x-2        2x3+3x2       x2 + 3x +2<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #262891 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=262891\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> an electrician requires 65 min to install a ceiling fan. The electrican and an apprentice working together take 40 min to install the fan. How long would it take the apprentice working alone to install the ceiling fan? <BR>\n" );
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document.write( "Electrician rate: 1/65 job/min<BR>\n" );
document.write( "Together rate:::: 1/40 job/min<BR>\n" );
document.write( "Aprentice rate::: 1/x job/min<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/65 + 1/x = 1/40<BR>\n" );
document.write( "Multiply thru by 40*65x to get:<BR>\n" );
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document.write( "40x + 40*65 = 65x<BR>\n" );
document.write( "25x = 40*65<BR>\n" );
document.write( "25x = 2600<BR>\n" );
document.write( "x = 2600/25<BR>\n" );
document.write( "x = 104 minutes (time the apprentice would need)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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