document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1097307>Question 1097307</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a certain city the local water utility company charges each customer a flat fee of $4.73 per month plus $2.18 per 1,000 gallons of water used during the month. If the company has 65,000 customers, find the following where x is the total number of gallons used measured in thousands. \r<BR>\n" );
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document.write( "A)Find the monthly revenue r for water utility company in terms of x. (use the proper variables and enter as an equation) \r<BR>\n" );
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document.write( "B) Find the monthly revene when the average monthly usage per customer is 3,800 gallons of water. Monthly revenue = </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #712051 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=712051\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> from each customer, the local water utility charges:\r<BR>\n" );
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document.write( "4.73 + 2.18 * x\r<BR>\n" );
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document.write( "that's a flat fee of 4.73 per month plus a variable fee of 2.18 * the number of gallons used measured in thousands.\r<BR>\n" );
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document.write( "since the company has 65,000 customers, then their total revenue equation for the month is:\r<BR>\n" );
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document.write( "r = 65,000 * (4.73 + 2.18 * x)\r<BR>\n" );
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document.write( "r is the total revenue that the company makes each month.<BR>\n" );
document.write( "4.73 is the flat fee per customer.<BR>\n" );
document.write( "x is the average number of gallons used by each customer divided by 1000.\r<BR>\n" );
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document.write( "if the average monthly use of water by each customer during the month is 3800 gallons of water, then the equation would become:\r<BR>\n" );
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document.write( "r = 65,000 * (4.73 + 2.18 * 3.8) = 845,910 dollars.\r<BR>\n" );
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document.write( "there are 65,000 customers.<BR>\n" );
document.write( "each customer pays a flat fee of 4.73.<BR>\n" );
document.write( "in addition, each customer pays 2.18 for every thousand gallons of water consumed.<BR>\n" );
document.write( "the average number of gallons consumed by each customer is 3800.<BR>\n" );
document.write( "3800 / 1000 is equal to 3.8 thousand gallons of water consumed.<BR>\n" );
document.write( "the cost per thousand gallons is 2.18, therefore the average cost for each customer is 2.18 * 3.8 = 8.284 dollars for the water consumed.<BR>\n" );
document.write( "each customer's average total cost is 4.73 + 8.284 = 13.014<BR>\n" );
document.write( "65000 * 13.014 = 845,910.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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