document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=588219>Question 588219</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A merchant has coffee worth $5 a pound that she wishes to mix with 70 pounds of coffe worth $8 a pound to get a mixture that can be sold for $7 a pound. How many pounds of the $5 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 #374428 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=374428\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     A merchant has coffee worth $5 a pound that she wishes to mix with 70 pounds of coffee worth $8 a pound to get a mixture that can be sold for $7 a pound. How many pounds of the $5 coffee should be used?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = amount (pounds) of $5 coffee added<BR>\n" );
document.write( "then<BR>\n" );
document.write( "5x + 8(70) = 7(70+x)<BR>\n" );
document.write( "5x + 560 = 490+7x<BR>\n" );
document.write( "560 = 490+2x<BR>\n" );
document.write( "70 = 2x<BR>\n" );
document.write( "35 pounds = x (answer) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );