document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=704816>Question 704816</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me!!!! \r<BR>\n" );
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document.write( "A store is selling two different types of cheese. One type sells for $3.75 a pound and a second type sells for $4.55 a pound. How many pounds of the $3.75 cheese would the store need to mix together with the $4.55 cheese to get a 45-pound block mixture that sells for $4.05 a pound? <BR>\n" );
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document.write( "Thank you so much! :D<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #434288 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=434288\">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=+a+ ALIGN=MIDDLE  ALT=\"+a+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = pounds of the $3.75/pound cheese needed<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+ ALIGN=MIDDLE  ALT=\"+b+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = pounds of the $4.55/pound cheese needed<BR>\n" );
document.write( "given:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+b+=+45+ ALIGN=MIDDLE  ALT=\"+a+%2B+b+=+45+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+3.75a+%2B+4.55b+%29+%2F+45+=+4.05+ ALIGN=MIDDLE  ALT=\"+%28+3.75a+%2B+4.55b+%29+%2F+45+=+4.05+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------------------------<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3.75a+%2B+4.55b+=+4.05%2A45+ ALIGN=MIDDLE  ALT=\"+3.75a+%2B+4.55b+=+4.05%2A45+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3.75a+%2B+4.55b+=+182.25+ ALIGN=MIDDLE  ALT=\"+3.75a+%2B+4.55b+=+182.25+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+375a+%2B+455b+=+18225+ ALIGN=MIDDLE  ALT=\"+375a+%2B+455b+=+18225+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "Multiply both sides of (1) by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+375+ ALIGN=MIDDLE  ALT=\"+375+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and subtract (1) from (2)<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+375a+%2B+455b+=+18225+ ALIGN=MIDDLE  ALT=\"+375a+%2B+455b+=+18225+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-375a+-+375b+=+-16875+ ALIGN=MIDDLE  ALT=\"+-375a+-+375b+=+-16875+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+80b+=+1350+ ALIGN=MIDDLE  ALT=\"+80b+=+1350+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+=+16.875+ ALIGN=MIDDLE  ALT=\"+b+=+16.875+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and, since<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+b+=+45+ ALIGN=MIDDLE  ALT=\"+a+%2B+b+=+45+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+16.875+=+45+ ALIGN=MIDDLE  ALT=\"+a+%2B+16.875+=+45+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+45+-+16.875+ ALIGN=MIDDLE  ALT=\"+a+=+45+-+16.875+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+28.125+ ALIGN=MIDDLE  ALT=\"+a+=+28.125+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "28.125 pounds of the $3.75/pound cheese is needed<BR>\n" );
document.write( "16.875 pounds of the $4.55/pound cheese is needed<BR>\n" );
document.write( "check answer:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+3.75a+%2B+4.55b+%29+%2F+45+=+4.05+ ALIGN=MIDDLE  ALT=\"+%28+3.75a+%2B+4.55b+%29+%2F+45+=+4.05+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+3.75%2A28.125+%2B+4.55%2A16.875+%29+%2F+45+=+4.05+ ALIGN=MIDDLE  ALT=\"+%28+3.75%2A28.125+%2B+4.55%2A16.875+%29+%2F+45+=+4.05+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+105.46875+%2B+76.78125+%29+%2F+45+=+4.05+ ALIGN=MIDDLE  ALT=\"+%28+105.46875+%2B+76.78125+%29+%2F+45+=+4.05+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+182.25+=+4.05%2A45+ ALIGN=MIDDLE  ALT=\"+182.25+=+4.05%2A45+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+182.25+=+182.25+ ALIGN=MIDDLE  ALT=\"+182.25+=+182.25+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK\r<BR>\n" );
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