document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=713346>Question 713346</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The manager of a farmer's market has 300 lb of grain that costs $1.80 per pound. How many pounds of meal costing $0.80 per pound should be mixed with the 300 lb of grain to produce a mixture that costs $1.40 per pound?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #438396 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=438396\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> price or percentage, either is just a kind of strength.  This is another example of a more general question.  Here, \"concentration\" means money, dollars.\r<BR>\n" );
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document.write( "ASSIGN VARIABLES TO ALL QUANTITIES<BR>\n" );
document.write( "L, the lower concentration of available material, $0.80/pound<BR>\n" );
document.write( "H, the higher concentration of available material, $1.80/pound<BR>\n" );
document.write( "T, the target concentration of resulting mixture, $1.40/pound<BR>\n" );
document.write( "x, the amount of lower concentrated material to use, unknown<BR>\n" );
document.write( "y, the amount of higher concentrated materaial to use, 300 pounds\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%28Lx%2ByH%29%2F%28x%2By%29=T%29 ALIGN=MIDDLE  ALT=\"highlight%28%28Lx%2ByH%29%2F%28x%2By%29=T%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, only x is the unknown.  Solve for x, then plug in the given values.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Lx%2ByH=T%28x%2By%29 ALIGN=MIDDLE  ALT=\"Lx%2ByH=T%28x%2By%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Lx%2ByH=Tx%2BTy ALIGN=MIDDLE  ALT=\"Lx%2ByH=Tx%2BTy\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Lx-Tx=Ty-Hy ALIGN=MIDDLE  ALT=\"Lx-Tx=Ty-Hy\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%28L-T%29=%28T-H%29y ALIGN=MIDDLE  ALT=\"x%28L-T%29=%28T-H%29y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=%28T-H%29y%2F%28L-T%29%29 ALIGN=MIDDLE  ALT=\"highlight%28x=%28T-H%29y%2F%28L-T%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, substitute the values given into this formula.<BR>\n" );
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