document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=430074>Question 430074</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help, I don't understand how to find out their individual weight!\r<BR>\n" );
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document.write( "4 lb of peanuts and 3 lb of cashews cost $16.50, while 5 lb of peanuts and 7 lb of cashews cost $32.00. Find the cost per lb of each. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #298674 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=298674\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the system of equations is\r<BR>\n" );
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document.write( "4p + 3c = 16.50\r<BR>\n" );
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document.write( "5p + 7c = 32.00\r<BR>\n" );
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document.write( "solving by elimination\r<BR>\n" );
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document.write( "1st eqn times -5 ___ -20p - 15c = -82.50\r<BR>\n" );
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document.write( "2nd eqn times 4 ___ 20p + 28c = 128.00\r<BR>\n" );
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document.write( "adding eqns (to eliminate p) ___ 13c = 45.50 ___ c = 3.50\r<BR>\n" );
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document.write( "substituting (to find p) ___ 4p + 3(3.50) = 16.50 ___ 4p = 6.00 ___ p = 1.50 </SPAN>\n" );
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