document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=586424>Question 586424</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The meat department in a grocery store needs 200lb of hamburger that is 80% lean beef.  How many pounds of 78% lean and 85% lean musted be mixed?\r<BR>\n" );
document.write( "\n" );
document.write( "Help!! I wish I was better at word problems.  Thanking you in advance for your help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #373744 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=373744\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The meat department in a grocery store needs 200lb of hamburger that is 80% lean beef. How many pounds of 78% lean and 85% lean musted be mixed? <BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = amount (pounds) of 78% lean<BR>\n" );
document.write( "then<BR>\n" );
document.write( "200-x = amount (pounds) of 85% lean<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".78x + .85(200-x) = .80(200)<BR>\n" );
document.write( ".78x + 170-.85x = 160<BR>\n" );
document.write( "170-.07x = 160<BR>\n" );
document.write( "-.07x = -10<BR>\n" );
document.write( "x = 142.86 pounds (78% lean)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "85% lean:<BR>\n" );
document.write( "200-x = 200-142.86 = 57.14 pounds\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );