document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=183958>Question 183958</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bill attaches one bundle of shingles in an average of x minutes using a hammer, whereas Julio attaches one bundle in 6 min less time using a pneumatic stapler.\r<BR>\n" );
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document.write( "a)Write a rational function B(x) that gives the number of bundles that they    attached while working together for 10 hours.\r<BR>\n" );
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document.write( "b)	Find B(30)<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 #137998 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=137998\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Bill attaches one bundle of shingles in an average of x minutes using a hammer, whereas Julio attaches one bundle in 6 min less time using a pneumatic stapler<BR>\n" );
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document.write( "Bill DATA:<BR>\n" );
document.write( "time = x minutes/job ; rate = 1/x job/min<BR>\n" );
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document.write( "Julio DATA:<BR>\n" );
document.write( "time = x-6 minutes/job ; rate = 1/(x-6) job/min<BR>\n" );
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document.write( "a)Write a rational function B(x) that gives the number of bundles that they attached while working together for 10 hours.<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "# = time*rate<BR>\n" );
document.write( "B(x) = 10(rate + rate)<BR>\n" );
document.write( "B(x) = 10(1/x + 1/(x-6))<BR>\n" );
document.write( "B(x) = 10(2x-6)/(x^2-6x)<BR>\n" );
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document.write( "b) Find B(30) = 10(60-6)/(900-180) = 10*54/720 = 0.75 or 3/4<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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