document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1033350>Question 1033350</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A coffee distributor needs to mix a(n) Rift Valley coffee blend that normally sells for $8.00 per pound with a Mexican Shade Grown coffee blend that normally sells for $10.40 per pound to create 20 pounds of a coffee that can sell for $8.12 per pound. How many pounds of each kind of coffee should they mix?<BR>\n" );
document.write( "A) Write an equation using the information as it is given above that can be solved to answer the question. Use x as your variable to represent the quantity of Rift Valley coffee blend.<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "They must mix <BR>\n" );
document.write( " pounds of the Rift Valley Blend <BR>\n" );
document.write( "pounds of the Mexican Shade Grown Blend. <BR>\n" );
document.write( "Round your answers to the nearest whole number of pounds. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #647938 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=647938\">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 Rift Valley coffee<BR>\n" );
document.write( "blend 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 Mexican Shade Grown<BR>\n" );
document.write( "coffee needed<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+b+=+20+ ALIGN=MIDDLE  ALT=\"+a+%2B+b+=+20+\"   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+8a+%2B+10.4b+%29+%2F+20+=+8.12+ ALIGN=MIDDLE  ALT=\"+%28+8a+%2B+10.4b+%29+%2F+20+=+8.12+\"   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=+8a+%2B+10.4b+=+162.4+ ALIGN=MIDDLE  ALT=\"+8a+%2B+10.4b+=+162.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+80a+%2B+104b+=+1624+ ALIGN=MIDDLE  ALT=\"+80a+%2B+104b+=+1624+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10a+%2B+13b+=+203+ ALIGN=MIDDLE  ALT=\"+10a+%2B+13b+=+203+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Multiply both sides of (1) by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10+ ALIGN=MIDDLE  ALT=\"+10+\"   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=+10a+%2B+13b+=+203+ ALIGN=MIDDLE  ALT=\"+10a+%2B+13b+=+203+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-10a+-+10b+=+-200+ ALIGN=MIDDLE  ALT=\"+-10a+-+10b+=+-200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3b+=+3+ ALIGN=MIDDLE  ALT=\"+3b+=+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+=+1+ ALIGN=MIDDLE  ALT=\"+b+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+1+=+20+ ALIGN=MIDDLE  ALT=\"+a+%2B+1+=+20+\"   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+=+19+ ALIGN=MIDDLE  ALT=\"+a+=+19+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "19 pounds of Rift Valley coffee<BR>\n" );
document.write( "blend are needed<BR>\n" );
document.write( "1 pound of Mexican Shade Grown<BR>\n" );
document.write( "coffee is needed<BR>\n" );
document.write( "--------------------------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+8a+%2B+10.4b+%29+%2F+20+=+8.12+ ALIGN=MIDDLE  ALT=\"+%28+8a+%2B+10.4b+%29+%2F+20+=+8.12+\"   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+8%2A19+%2B+10.4%2A1+%29+%2F+20+=+8.12+ ALIGN=MIDDLE  ALT=\"+%28+8%2A19+%2B+10.4%2A1+%29+%2F+20+=+8.12+\"   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+152+%2B+10.4+%29+%2F+20+=+8.12+ ALIGN=MIDDLE  ALT=\"+%28+152+%2B+10.4+%29+%2F+20+=+8.12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+162.4+=+20%2A8.12+ ALIGN=MIDDLE  ALT=\"+162.4+=+20%2A8.12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+162.4+=+162.4+ ALIGN=MIDDLE  ALT=\"+162.4+=+162.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );