document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=775974>Question 775974</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am not sure how to set this word problem up in order to solve.\r<BR>\n" );
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document.write( "A merchant has coffee worth $5 a pound that she wishes to mix with 9 pounds of coffee worth $3 a pound to get a mixture that can be sold for $2 a pound. How many pounds of $5 coffee should be mixed </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #473279 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=473279\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = pounds of $5 coffee needed<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5x+ ALIGN=MIDDLE  ALT=\"+5x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = cost of the $5 coffee<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%2A9+=+27+ ALIGN=MIDDLE  ALT=\"+3%2A9+=+27+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = cost of the $3 coffee<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+5x+%2B+27+%29+%2F+%28+x+%2B+9+%29+=+2+ ALIGN=MIDDLE  ALT=\"+%28+5x+%2B+27+%29+%2F+%28+x+%2B+9+%29+=+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5x+%2B+27+=+2%2A%28+x+%2B+9+%29+ ALIGN=MIDDLE  ALT=\"+5x+%2B+27+=+2%2A%28+x+%2B+9+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5x+%2B+27+=+2x+%2B+18+ ALIGN=MIDDLE  ALT=\"+5x+%2B+27+=+2x+%2B+18+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3x+=+-9+ ALIGN=MIDDLE  ALT=\"+3x+=+-9+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+-3+ ALIGN=MIDDLE  ALT=\"+x+=+-3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The negative answer tells me it can't be solved.<BR>\n" );
document.write( "Logically, there is no way you can mix $5/pound<BR>\n" );
document.write( "coffee with $3/pound coffee and end up with<BR>\n" );
document.write( "$2/pound coffee<BR>\n" );
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document.write( "The cost/pound of the final mixture has to be<BR>\n" );
document.write( "somewhere between $3 and $5<BR>\n" );
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