document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1018639>Question 1018639</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A Table Affair, which sells European tablecloths at local farmers markets, has the following weekly revenue and cost functions:\r<BR>\n" );
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document.write( "R(t)	 = 	120t<BR>\n" );
document.write( "C(t)	 = 	40t + 700\r<BR>\n" );
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document.write( "where R(t) represents the weekly revenue in dollars for selling t tablecloths and C(t) represents the weekly costs in dollars for selling t tablecloths. Find the number of tablecloths A Table Affair must sell to break-even or make a profit.\r<BR>\n" );
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document.write( "A Table Affair must sell at least____table cloths to break even or make a profit. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #634707 by </B><A HREF=/tutors/aboutme.mpl?userid=toddcarnes><B>toddcarnes(6)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=toddcarnes><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=toddcarnes><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=634707\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First you need to recognize that to break even means that R(t) = C(t). <BR>\n" );
document.write( "Therefore, let 120t = 40t + 700 and then solve for t as follows. <BR>\n" );
document.write( "120t = 40t + 700<BR>\n" );
document.write( "120t - 40t = 700<BR>\n" );
document.write( "80t = 700<BR>\n" );
document.write( "t = 700 / 80<BR>\n" );
document.write( "t = 8.75 <BR>\n" );
document.write( "In other words, you would need to sell 8.75 tablecloths to break even. That means you need to sell at least 9 tablecloths to make a profit.  </SPAN>\n" );
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