document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=41627>Question 41627</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A  club is going on a bus trip to NYC to see a Broadway play.  The cost per person for the bus rental varies inversely as the number of people going on the trip.  It will cost $31 per person if 50 people go on the trip.  How much will it cost per person if 81 people go on the trip?\r<BR>\n" );
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document.write( "Thanks for your help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #26894 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=26894\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First write the variation equation: <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+k%2Fn ALIGN=MIDDLE  ALT=\"C+=+k%2Fn\"   DISABLED_style= \"max-width:90%; height:auto;\" > where: C = cost, n = number of people, and k is the constant of variation.  To find the value of k, just substitute the given values of C = $31 and n = 50.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=31+=+k%2F50 ALIGN=MIDDLE  ALT=\"31+=+k%2F50\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both sides by 50.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k+=+1550 ALIGN=MIDDLE  ALT=\"k+=+1550\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The equation of variation for the cost is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+1550%2Fn ALIGN=MIDDLE  ALT=\"C+=+1550%2Fn\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now you can find the cost for 81 people by substituting n=81.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+1550%2F81 ALIGN=MIDDLE  ALT=\"C+=+1550%2F81\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+19.14 ALIGN=MIDDLE  ALT=\"C+=+19.14\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "It will cost $19.14 per person if 81 people go on the trip. </SPAN>\n" );
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