document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=62467>Question 62467</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A cement manufacturer buys limestone for $3 per pound and a special shale mix for $5 per pound.  The two ingredients are mixed into a 100-pound compound that cost $4.25 per pound.  How much limestone and how much of the shale mix should be added into the compound? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #43220 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=43220\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4.25*100=3.00*X+5.00(100-X)<BR>\n" );
document.write( "425=3X+500-5X<BR>\n" );
document.write( "2X=500-425<BR>\n" );
document.write( "2X=75<BR>\n" );
document.write( "X=75/2<BR>\n" );
document.write( "X=37.5 POUNDS OF LIMESTONE<BR>\n" );
document.write( "100-37.5=62.5 POUNDS OF SHALE<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( "425=3*37.5+5*62.5<BR>\n" );
document.write( "425=112.5+312.5<BR>\n" );
document.write( "425=425 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );