document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=284400>Question 284400</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The revenue achieved by selling x graphing calculators is figured to be x(32-0.2x) dollars. The cost of each calculator is $16. How many graphing calculators must be sold to make a profit (revenue - cost) of at least $307.20? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #206385 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=206385\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> revenue-cost=profit<BR>\n" );
document.write( "x(32-.2x)-16x=307.20<BR>\n" );
document.write( "x=32 and 48<BR>\n" );
document.write( "the max will be at 40<BR>\n" );
document.write( "There is obviously something wrong with the formula if the same profit is made at 32 and 48 pieces\r<BR>\n" );
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