document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=190548>Question 190548</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For the following function, C computes the cost in millions of dollars of implementing a city recycling project when x percent of the citizens participate.  c(x)=(1.3x)/(100-x)\r<BR>\n" );
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document.write( "a)Using this model, approximately what is the cost if 40% of the citizens participate? Include units with your answer\r<BR>\n" );
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document.write( "b)Using this model, estimate the percentage of participation that can be expected if $3 million is spent on this recycling project? Set up an equation and solve algebraically. Round to the nearest whole percent. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #143164 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=143164\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For the following function, C computes the cost in millions of dollars of implementing a city recycling project when x percent of the citizens participate. c(x)=(1.3x)/(100-x) <BR>\n" );
document.write( "a)Using this model, approximately what is the cost if 40% of the citizens participate? Include units with your answer<BR>\n" );
document.write( "c(40) = (1.3*40)/(100-40)<BR>\n" );
document.write( "c(40) = 52/60<BR>\n" );
document.write( "c(40) = 0.866667 million dollars<BR>\n" );
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document.write( "b)Using this model, estimate the percentage of participation that can be expected if $3 million is spent on this recycling project? Set up an equation and solve algebraically. Round to the nearest whole percent.<BR>\n" );
document.write( "3 million = (1,3x)/(100-x)<BR>\n" );
document.write( "300 - 3x = 1.3x<BR>\n" );
document.write( "300 = 4.3x<BR>\n" );
document.write( "x = 69.77%<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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