document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1160001>Question 1160001</A>: <I><SPAN STYLE=\"word-break: break-all;\">   A campground charges $20.00 to camp for one night. They average 56 people each night. A recent survey indicated that for every $1.00 decrease in the nightly price, the number of camping sites rented increases by 7. \r<BR>\n" );
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document.write( "Create a Revenue equation.\r<BR>\n" );
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document.write( "What price will maximize nightly revenue? Show the steps of your solution.\r<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 #783317 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=783317\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=number of $ decrease in price and increased number of rentals by 7<BR>\n" );
document.write( "(20-x)(56+7x)=1120+84x-7x^2, which is the revenue function.<BR>\n" );
document.write( "maximum is where x=-b/2a=-84/-14=6<BR>\n" );
document.write( "so revenue is maximized with 56+42=98 rentals paying $20-$6=$14 a night, or $1372.\r<BR>\n" );
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document.write( "the price should be $14 to maximize revenue.\r<BR>\n" );
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