document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=940040>Question 940040</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Coffee cafe make 90 pounds of coffee that costs $6 per pound. The types of coffee used to make this mixture costs $7 per pound and $4 per pound. How many pounds of the $7-per-pound coffee should be used in this mixture? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #572889 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=572889\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 	Price	----------------			quantity							<BR>\n" );
document.write( "coffee type I	$4.00	----------------			x	lb						<BR>\n" );
document.write( "coffee type II	$7.00	------	90	-	x	lb						<BR>\n" );
document.write( "Mixture	6.00%	----------------	90									<BR>\n" );
document.write( "Total	90		lb									<BR>\n" );
document.write( "4	x	+	7	(	90	-	x	)	=	540		<BR>\n" );
document.write( "4	x	+	630	-	7	x	=			540		<BR>\n" );
document.write( "4	x	-	7	x			=	540	-	-630		<BR>\n" );
document.write( "-3	x			=	-90							<BR>\n" );
document.write( "/	-3											<BR>\n" );
document.write( "	x			=	30		lb			$4.00		coffee type I<BR>\n" );
document.write( "					60		lb			$7.00		coffee type II<BR>\n" );
document.write( "												<BR>\n" );
document.write( "m.ananth@hotmail.ca												<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );