document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=960913>Question 960913</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Coffee costing $4.80 per pound is blended with coffee costing $3.60 per<BR>\n" );
document.write( "pound. How many pounds of each must be mixed to obtain 25<BR>\n" );
document.write( "pounds of a blend that costs an average of $4.25 per pound? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #587247 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=587247\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Coffee costing $4.80 per pound is blended with coffee costing $3.60 per<BR>\n" );
document.write( " pound. How many pounds of each must be mixed to obtain 25<BR>\n" );
document.write( " pounds of a blend that costs an average of $4.25 per pound?<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Equations::<BR>\n" );
document.write( "Quantity::  f + t = 25 lbs<BR>\n" );
document.write( "Value::: 4.8f+3.6t = 4.25*25<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Modify for elimination::<BR>\n" );
document.write( "4.8f + 4.8t = 4.8^25<BR>\n" );
document.write( "4.8f + 3.6t = 4.25*25<BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "Subtract and solve for \"t\":<BR>\n" );
document.write( "1.2t = 0.55*25<BR>\n" );
document.write( "t = 11.46 lbs (amt. of $3.60 coffee needed)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "f = 25-11.46 = 13.54 lbs (amt. of $4.80 coffee needed)<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );