document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=161581>Question 161581</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone help me with this problem please\r<BR>\n" );
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document.write( "Back Packs, Inc., finds that the cost to make x back packs is C = 129x + 6687, while the revenue produced from them is R = 171x (C and R are in dollars). What is the smallest whole number of backpacks, x, that must be sold for the company to show a profit?\r<BR>\n" );
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document.write( "160<BR>\n" );
document.write( "23<BR>\n" );
document.write( "280,854 or <BR>\n" );
document.write( "2,006,100 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #119048 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=119048\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+R ALIGN=MIDDLE  ALT=\"C+=+R\"   DISABLED_style= \"max-width:90%; height:auto;\" >, Cost equals Revenue, that is the break-even point. If <BR>\n" );
document.write( "you sell 1 more backpack, you will show the smallest profit possible.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+129x+%2B+6687 ALIGN=MIDDLE  ALT=\"C+=+129x+%2B+6687\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R+=+171x ALIGN=MIDDLE  ALT=\"R+=+171x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+R ALIGN=MIDDLE  ALT=\"C+=+R\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=129x+%2B+6687+=+171x ALIGN=MIDDLE  ALT=\"129x+%2B+6687+=+171x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Subtract <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=129x ALIGN=MIDDLE  ALT=\"129x\"   DISABLED_style= \"max-width:90%; height:auto;\" > from both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=42x+=+6687 ALIGN=MIDDLE  ALT=\"42x+=+6687\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+159 ALIGN=MIDDLE  ALT=\"x+=+159\"   DISABLED_style= \"max-width:90%; height:auto;\" > to the nearest whole number<BR>\n" );
document.write( "Let Profit = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P ALIGN=MIDDLE  ALT=\"P\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+R+-+C ALIGN=MIDDLE  ALT=\"P+=+R+-+C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "I'll find the Profit for 158 backpacks, which should be negative<BR>\n" );
document.write( "and for 160 backpacks which should be positive<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+171x+-+%28129x+%2B+6687%29 ALIGN=MIDDLE  ALT=\"P+=+171x+-+%28129x+%2B+6687%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+171x+-+129x+-+6687 ALIGN=MIDDLE  ALT=\"P+=+171x+-+129x+-+6687\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+42x+-+6687 ALIGN=MIDDLE  ALT=\"P+=+42x+-+6687\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B1%5D+=+42%2A158+-+6687 ALIGN=MIDDLE  ALT=\"P%5B1%5D+=+42%2A158+-+6687\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B1%5D+=+6636+-+6687 ALIGN=MIDDLE  ALT=\"P%5B1%5D+=+6636+-+6687\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B1%5D+=+-51 ALIGN=MIDDLE  ALT=\"P%5B1%5D+=+-51\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B2%5D+=+42%2A160+-+6687 ALIGN=MIDDLE  ALT=\"P%5B2%5D+=+42%2A160+-+6687\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B2%5D+=+6720+-+6687 ALIGN=MIDDLE  ALT=\"P%5B2%5D+=+6720+-+6687\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5B2%5D+=+33 ALIGN=MIDDLE  ALT=\"P%5B2%5D+=+33\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "If 160 backpacks are sold, the profit will be $33, the smallest possible </SPAN>\n" );
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