document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=395832>Question 395832</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A butcher has some hamburger that is 21% fat and some that is 15% fat. How many pounds of each should be mixed to make 78 lb of hamburger that is 17% fat?\r<BR>\n" );
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document.write( "21% fat     _?_ lb<BR>\n" );
document.write( "15% fat     _?_ lb  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #280922 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=280922\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A butcher has some hamburger that is 21% fat and some that is 15% fat. How many pounds of each should be mixed to make 78 lb of hamburger that is 17% fat? \r<BR>\n" );
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document.write( "let x= pounds of 21% hamburger required<BR>\n" );
document.write( "78-x =pounds of 15% hamburger required\r<BR>\n" );
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document.write( ".21x+.15(78-x)=.17(78)<BR>\n" );
document.write( "multiply both sides by 10<BR>\n" );
document.write( "21x+15(78-x)=17(78)<BR>\n" );
document.write( "21x+1170-15x=1326<BR>\n" );
document.write( "6x=1326-1170<BR>\n" );
document.write( "6x=156<BR>\n" );
document.write( "x=156/6=26 lbs<BR>\n" );
document.write( "78-x=78-26=52 lbs\r<BR>\n" );
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document.write( "ans: pounds of 21% hamburger required = 26<BR>\n" );
document.write( "       pounds of 15% hamburger required = 52 </SPAN>\n" );
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