document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1025700>Question 1025700</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cost to produce backpacks with a school's logo can be modeled by\r<BR>\n" );
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document.write( "C(b) = 2/5b^2-24b+600\r<BR>\n" );
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document.write( "where C(b) represents the cost in dollars to produce b backpacks.\r<BR>\n" );
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document.write( "(a) Find the cost to produce 20 backpacks. (Include units with your numerical answers.)<BR>\n" );
document.write( "The cost to produce 20 backpacks would be about ________\r<BR>\n" );
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document.write( "(c) How many backpacks can a school get with a budget of $3500?<BR>\n" );
document.write( "According to the model, the school can get up to______backpacks with a budget of $3500. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #640993 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=640993\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "(a) Write\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ C(b)\ =\ \frac{2}{5}(b)^2\ -\ 24(b)\ +\ 600\">\r<BR>\n" );
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document.write( "in pencil.  Then erase every instance of a <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large b\"> and replace it with the number 20.  Then do the indicated arithmetic.\r<BR>\n" );
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document.write( "(b) Write\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ C(b)\ =\ \frac{2}{5}(b)^2\ -\ 24(b)\ +\ 600\">\r<BR>\n" );
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document.write( "in pencil. Then erase <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large C(b)\"> and replace it with 3500.  Solve the resulting quadratic equation for <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large b\">.  Discard the negative root and round the positive root DOWN to the next lower integer.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ \\r\"> </SPAN>\n" );
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