document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=201461>Question 201461</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A butcher has some hamburger that is 20% fat and some hamburger that is 12% fat. How many pounds of each should be mixed to make 80 lb of hamburger that is 17% fat? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #151664 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=151664\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .20X+.12(80-X)=.17*80<BR>\n" );
document.write( ".20X+9.6-.12X=13.6<BR>\n" );
document.write( ".08X=13.6-9.6<BR>\n" );
document.write( ".08X=4<BR>\n" );
document.write( "X=4/.08<BR>\n" );
document.write( "X=50 POUNDS OF 20% FAT IS USED.<BR>\n" );
document.write( "80-50=30 POUNDS OF 12 % FAT IS USED.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".20*50+.12*30=13.6<BR>\n" );
document.write( "10+3.6=13.6<BR>\n" );
document.write( "13.6=13.6<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );