document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=178279>Question 178279</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Soybean meal is 16% protein and cornmeal is 8% protien, how many pounds of each should be mixed together in order to get 320lb mixture that is 13% protein? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #133240 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=133240\">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 soybean meal 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 cornmeal needed<BR>\n" );
document.write( "In words:<BR>\n" );
document.write( "(pounds of protein in soybean meal + pounds of protein in cornmeal) /<BR>\n" );
document.write( "(total pounds of soybean and cornmeal) = % protein<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+=+320 ALIGN=MIDDLE  ALT=\"a+%2B+b+=+320\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.16a+%2B+.08b%29%2F%28a+%2B+b%29+=+.13 ALIGN=MIDDLE  ALT=\"%28.16a+%2B+.08b%29%2F%28a+%2B+b%29+=+.13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.16a+%2B+.08b%29%2F320+=+.13 ALIGN=MIDDLE  ALT=\"%28.16a+%2B+.08b%29%2F320+=+.13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.16a+%2B+.08b+=+.13%2A320 ALIGN=MIDDLE  ALT=\".16a+%2B+.08b+=+.13%2A320\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3)<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.16a+%2B+.08b+=+41.6 ALIGN=MIDDLE  ALT=\".16a+%2B+.08b+=+41.6\"   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=.08 ALIGN=MIDDLE  ALT=\".08\"   DISABLED_style= \"max-width:90%; height:auto;\" > and subtract from (3)<BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.16a+%2B+.08b+=+41.6 ALIGN=MIDDLE  ALT=\".16a+%2B+.08b+=+41.6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-.08a+-+.08b+=+-25.6 ALIGN=MIDDLE  ALT=\"-.08a+-+.08b+=+-25.6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.08a+=+16 ALIGN=MIDDLE  ALT=\".08a+=+16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+200 ALIGN=MIDDLE  ALT=\"a+=+200\"   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+=+320 ALIGN=MIDDLE  ALT=\"a+%2B+b+=+320\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200+%2B+b+=+320 ALIGN=MIDDLE  ALT=\"200+%2B+b+=+320\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b+=+120 ALIGN=MIDDLE  ALT=\"b+=+120\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "200 pounds of soybean meal are needed and<BR>\n" );
document.write( "120 pounds of cornmeal are needed<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.16a+%2B+.08b%29%2F%28a+%2B+b%29+=+.13 ALIGN=MIDDLE  ALT=\"%28.16a+%2B+.08b%29%2F%28a+%2B+b%29+=+.13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.16%2A200+%2B+.08%2A120%29%2F320+=+.13 ALIGN=MIDDLE  ALT=\"%28.16%2A200+%2B+.08%2A120%29%2F320+=+.13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2832+%2B+9.6%29%2F320+=+.13 ALIGN=MIDDLE  ALT=\"%2832+%2B+9.6%29%2F320+=+.13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=41.6%2F320+=+.13 ALIGN=MIDDLE  ALT=\"41.6%2F320+=+.13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=41.6+=+41.6 ALIGN=MIDDLE  ALT=\"41.6+=+41.6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );