document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1041593>Question 1041593</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The meat department in a grocery store purchased 800 lb of hamburger that is 90% lean beef. How many lbs of hamburger that is 75% lean must be mixed with this 90% lean mix to produce hamburger that is 85% lean beef?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #656557 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=656557\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Note that fat is the part that is not lean<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.1%2A800+=+80+ ALIGN=MIDDLE  ALT=\"+.1%2A800+=+80+\"   DISABLED_style= \"max-width:90%; height:auto;\" > pounds of fat in 800 pounds of meat<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = pounds of hamburger that is 25% fat <BR>\n" );
document.write( "that needs to be added<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.25x+ ALIGN=MIDDLE  ALT=\"+.25x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = pounds of fat in 25% fat hamburger<BR>\n" );
document.write( "---------------------------------------------<BR>\n" );
document.write( "Notice I switched from lean to fat in each case<BR>\n" );
document.write( "( that way I get smaller numbers )<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+80+%2B+.25x+%29+%2F+%28+800+%2B+x+%29+=+.15+ ALIGN=MIDDLE  ALT=\"+%28+80+%2B+.25x+%29+%2F+%28+800+%2B+x+%29+=+.15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+80+%2B+.25x+=+.15%2A%28+800+%2B+x+%29+ ALIGN=MIDDLE  ALT=\"+80+%2B+.25x+=+.15%2A%28+800+%2B+x+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+80+%2B+.25x+=+120+%2B+.15x+ ALIGN=MIDDLE  ALT=\"+80+%2B+.25x+=+120+%2B+.15x+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.1x+=+40+ ALIGN=MIDDLE  ALT=\"+.1x+=+40+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+400+ ALIGN=MIDDLE  ALT=\"+x+=+400+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "400 pounds of hamburger that is 75% lean ( 25% fat )<BR>\n" );
document.write( "must be added<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+80+%2B+.25%2A400+%29+%2F+%28+800+%2B+400+%29+=+.15+ ALIGN=MIDDLE  ALT=\"+%28+80+%2B+.25%2A400+%29+%2F+%28+800+%2B+400+%29+=+.15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+80+%2B+100+%29+%2F+1200+=+.15+ ALIGN=MIDDLE  ALT=\"+%28+80+%2B+100+%29+%2F+1200+=+.15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+180+=+.15%2A1200+ ALIGN=MIDDLE  ALT=\"+180+=+.15%2A1200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+180+=+180+ ALIGN=MIDDLE  ALT=\"+180+=+180+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );