document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=513657>Question 513657</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a merchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that can be sold for $70 a pound. How many pounds of the $60 coffee should be used? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #343070 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=343070\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 	--------price	----------------	quantity									<BR>\n" );
document.write( "Coffee I	90	----------------			50	lbs						<BR>\n" );
document.write( "coffee II	60	----------------			x	lbs						<BR>\n" );
document.write( "Mixture	70	----------------	50	+	x	lbs						<BR>\n" );
document.write( "												<BR>\n" );
document.write( "90*50+60	x=70(50	+x)<BR>\n" );
document.write( "4500+60	x=3500	+	70	x				<BR>\n" );
document.write( "60	x	+	-70	x	=	3500	-	-4500				<BR>\n" );
document.write( "-10	x	=	-1000									<BR>\n" );
document.write( "/	-10											<BR>\n" );
document.write( "x	=	100										<BR>\n" );
document.write( "		100	lbs		of	60	%	coffee II				<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );