document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=163035>Question 163035</A>: <I><SPAN STYLE=\"word-break: break-all;\"> soy bean meal is 12% protein cornmeal is 6% protein How many pounds of each should be mixed together in order to get 240 pound mixture that is 7% protein?\r<BR>\n" );
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document.write( "How many pounds of the cornmeal should be in the mixture?\r<BR>\n" );
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document.write( "How many pounds of soybean meal should be in the mixture? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #120157 by </B><A HREF=/tutors/aboutme.mpl?userid=orca><B>orca(409)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=orca><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=120157\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x be the amount of cornmeal to be mixed.<BR>\n" );
document.write( "Then the amount of soy bean meal to be mixed is 240 - x.<BR>\n" );
document.write( "The amount of protein in the cornmeal is x*6%.<BR>\n" );
document.write( "The amount of protein in the soy bean meal is (240 - x)*12%.<BR>\n" );
document.write( "The amount of protein in the 240 pounds mixture is 240*7%.<BR>\n" );
document.write( "As the amount of protein in the cornmeal + the amount of protein in the soy bean meal = amount of protein in the 240 pounds mixture, we have:<BR>\n" );
document.write( "x*6% + (240 - x)*12% = 240*7%<BR>\n" );
document.write( "Solving the equation for x, we have<BR>\n" );
document.write( "6x + 12(240 - x) = 7*240    (multiplying both sides by 100)<BR>\n" );
document.write( "6x + 2880 - 12x = 1680<BR>\n" );
document.write( "-6x = -1200<BR>\n" );
document.write( "x = 200<BR>\n" );
document.write( "So 200 pounds of the cornmeal should be in the mixture.<BR>\n" );
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