document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=436332>Question 436332</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Soybean is 18% protein<BR>\n" );
document.write( "Cornmeal is 9% protein<BR>\n" );
document.write( "How many lbs of each should be mixed together to get 360-lb mixture that is 12% protein? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #301870 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=301870\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = the number of pounds of soybeans<BR>\n" );
document.write( "Then 360-x = the number of pounds of cornmeal<BR>\n" );
document.write( "A 360 lb. 12% mixture contains 0.12*360 = 43.2 lb<BR>\n" );
document.write( "So we can write the following equation:<BR>\n" );
document.write( "0.18x + 0.09(360-x) = 43.2<BR>\n" );
document.write( "Solve for x:<BR>\n" );
document.write( "0.09x = 43.2 - 32.4 = 10.8 -> x = 120<BR>\n" );
document.write( "So the number of lbs of soybeans = 120<BR>\n" );
document.write( "And the number of lbs of cornmeal = 360-120 = 240 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );