document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1010909>Question 1010909</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A dairyman has milk which contains 4% butterfat and cream which contains 40% butterfat. How many gallons of each should he use in order to produce 36 gallons of a mixture which contains 20% butterfat?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #626424 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=626424\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A dairyman has milk which contains 4% butterfat and cream which contains 40% butterfat. How many gallons of each should he use in order to produce 36 gallons of a mixture which contains 20% butterfat?\r<BR>\n" );
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document.write( "let x=amt of 4% butterfat used in th mixture<BR>\n" );
document.write( "36-x=amt of 40% butterfat used in th mixture<BR>\n" );
document.write( "4%x+40%(36-x)=20%*36<BR>\n" );
document.write( ".04x+14.4-.4x=7.2<BR>\n" );
document.write( ".36x=7.2<BR>\n" );
document.write( "x=20<BR>\n" );
document.write( "36-20=16<BR>\n" );
document.write( "amt of 4% butterfat used in th mixture= 20 gal<BR>\n" );
document.write( "amt of 40% butterfat used in th mixture= 16 gal </SPAN>\n" );
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