document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=429179>Question 429179</A>: <I><SPAN STYLE=\"word-break: break-all;\"> . Solve the following system of equations.\r<BR>\n" );
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document.write( "3x + 4y = 4<BR>\n" );
document.write( "2x + y = 6\r<BR>\n" );
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document.write( "2. Solve the following system of equations.\r<BR>\n" );
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document.write( "2x - 3y = 13<BR>\n" );
document.write( "5x + 2y = 4\r<BR>\n" );
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document.write( "3. The Kraft Co. manufactures computer chips at a variable cost of $4 per chip and sells them for $10 each. If the fixed cost is $12,000 per month, what is the number of chips they would need to produce at the break-even point?\r<BR>\n" );
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document.write( "4. The Sunshine Bakery sells pies at a fixed price of p dollars per pie. The total number of pies demanded daily, D, is related to the price, p, in dollars by the equation: \r<BR>\n" );
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document.write( "D = -10p + 200\r<BR>\n" );
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document.write( "On the other hand, the daily supply of pies, S, is related to the price, p, per pie by the equation:\r<BR>\n" );
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document.write( "S = 15p - 50\r<BR>\n" );
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document.write( "Determine the equilibrium price of pies; that is, the price at which the supply, S, and demand, D, are equal.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #298164 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=298164\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">   <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\"><font face = \"Tohoma\" size = 4 color = \"indigo\"><b><BR>\n" );
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document.write( "3x + 4y = 4<BR>\n" );
document.write( "2x + y = 6 \r<BR>\n" );
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document.write( " 3x + 4y = 4<BR>\n" );
document.write( "-8x -4y = -24<BR>\n" );
document.write( "   -5x = -20<BR>\n" );
document.write( "     x = 4 and y = -2  (y = 6-2*4)\r<BR>\n" );
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document.write( "2x - 3y = 13<BR>\n" );
document.write( "5x + 2y = 4 \r<BR>\n" );
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document.write( "2x    - 3y = 13<BR>\n" );
document.write( "15/2x + 3y = 12/2   |mulitplying 2nd EQ thru by 3/2<BR>\n" );
document.write( " 9.5x = 19<BR>\n" );
document.write( "    x = 2  and y = -3   (y = -5/2x + 2)    |10-6 = 4\r<BR>\n" );
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document.write( "3) $6 profit per bag  $12000/$6 = 2000bags\r<BR>\n" );
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document.write( "4) -10p + 200  = 15p - 50 <BR>\n" );
document.write( "      250 = 25p<BR>\n" );
document.write( "       $10 = p\r<BR>\n" );
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