document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=312855>Question 312855</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many pounds of 7% fat hamburger must be mixed with 30 pounds of 15% fat hamburger to obtain a 10% fat mixture?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #223700 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=223700\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many pounds of 7% fat hamburger must be mixed with 30 pounds of 15% fat hamburger to obtain a 10% fat mixture? <BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = pounds of 7% fat hamburger added<BR>\n" );
document.write( "then<BR>\n" );
document.write( ".07x + .15(30) = .10(x+30)<BR>\n" );
document.write( ".07x + 4.5 = .10x+3<BR>\n" );
document.write( "4.5 = .03x+3<BR>\n" );
document.write( "1.5 = .03x<BR>\n" );
document.write( "50 pounds = x\r<BR>\n" );
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