document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1158037>Question 1158037</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Eight animals will be sent to Cameroon.The animals will be cows and pigs. A cow costs $500 and a pig cost $120.The total cost of all animals is $2,100.Find how many of each animal will be sent to Cameroon. \r<BR>\n" );
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document.write( "Define the variables in this problem\r<BR>\n" );
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document.write( "Develop an equation that represents the number of the cows and pigs\r<BR>\n" );
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document.write( "Develop an equation that represents the cost of the cows and pigs.\r<BR>\n" );
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document.write( "solve the system of equations using the substitution method. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #780949 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=780949\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> c cows<BR>\n" );
document.write( "p pigs\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=500c%2B120p=2100 ALIGN=MIDDLE  ALT=\"500c%2B120p=2100\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c%2Bp=8 ALIGN=MIDDLE  ALT=\"c%2Bp=8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Can you figure how to go from that?\r<BR>\n" );
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document.write( "Multiply the cost equation by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F20 ALIGN=MIDDLE  ALT=\"1%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" > and you have system:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%285c%2B6p=105%2Cc%2Bp=8%29 ALIGN=MIDDLE  ALT=\"system%285c%2B6p=105%2Cc%2Bp=8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Choose either substitution method, or elimination method.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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