document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168287>Question 1168287</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A store manager wants to mix two different brands of coffee to make 480 pounds to sell at $2.68 a pound. He uses a brand of coffee worth $2.50 a pound and another brand worth $2.80 a pound. How many pounds of each should be used? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #792899 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=792899\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ----------------------------------------------------------------<BR>\n" );
document.write( "mix two different brands of coffee to make 480 pounds to sell at $2.68 a pound. He uses a brand of coffee worth $2.50 a pound and another brand worth $2.80 a pound.<BR>\n" );
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document.write( "L=2.5<BR>\n" );
document.write( "T=2.68<BR>\n" );
document.write( "H=2.8<BR>\n" );
document.write( "M=480<BR>\n" );
document.write( "v, unknown quantity of the H dollars per pound coffee<BR>\n" );
document.write( "M-v, amount of the L dollars per pnd. coffee\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Hv%2BL%28M-v%29=MT ALIGN=MIDDLE  ALT=\"Hv%2BL%28M-v%29=MT\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "-\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Hv-Lv%2BML=MT ALIGN=MIDDLE  ALT=\"Hv-Lv%2BML=MT\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28H-L%29v=MT-ML ALIGN=MIDDLE  ALT=\"%28H-L%29v=MT-ML\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28v=M%28%28T-L%29%2F%28H-L%29%29%29 ALIGN=MIDDLE  ALT=\"highlight%28v=M%28%28T-L%29%2F%28H-L%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Substituting the values given,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=480%28%280.68-0.5%29%2F%280.8-0.5%29%29 ALIGN=MIDDLE  ALT=\"v=480%28%280.68-0.5%29%2F%280.8-0.5%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=480%2A%280.18%2F0.3%29 ALIGN=MIDDLE  ALT=\"v=480%2A%280.18%2F0.3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=480%2818%2F30%29=highlight_green%28480%283%2F5%29%29 ALIGN=MIDDLE  ALT=\"v=480%2818%2F30%29=highlight_green%28480%283%2F5%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----------you can finish from here. </SPAN>\n" );
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