document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155020>Question 1155020</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cost C and the revenue R for a brokerage firm depend on the number T of transactions executed.  Both C and R are measured in dollars.  It costs $750 per day to keep the office open.  Brokers are paid an average of $25 per transaction.  $35 in fees are collected for each transaction.\r<BR>\n" );
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document.write( "	a.  Find a formula that gives C as a function of T.\r<BR>\n" );
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document.write( "	b.  Find a formula that gives R as a function of T.\r<BR>\n" );
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document.write( "	c.  Find the number of daily transactions that are needed to make the revenue $1500 more than the cost.<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 #777593 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=777593\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> C = 750 + 25 * T<BR>\n" );
document.write( "R = 35 * T<BR>\n" );
document.write( "R = C + 1500<BR>\n" );
document.write( "35 * T = 750 + 25 * T + 1500<BR>\n" );
document.write( "combine like terms to get:<BR>\n" );
document.write( "35 * T = 2250 + 25 * T<BR>\n" );
document.write( "subtract 25 * T from both sides of the equation to get:<BR>\n" );
document.write( "10 * T = 2250<BR>\n" );
document.write( "solve for T to get:<BR>\n" );
document.write( "T = 225<BR>\n" );
document.write( "the revenue should be 1500 more than the cost at 225 transactions.<BR>\n" );
document.write( "R = 35 * 225 = 7875<BR>\n" );
document.write( "C = 750 + 25 * 225 = 6375<BR>\n" );
document.write( "7875 - 6375 = 1500<BR>\n" );
document.write( "solution is 225 transactions to make the revenue 1500 more than the cost.<BR>\n" );
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