document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=697332>Question 697332</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A total of 66 animals are in the farm consisting of pigs and turkeys. If there is a total of 210 feet, how many pigs and turkeys are there?<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 #429904 by </B><A HREF=/tutors/aboutme.mpl?userid=Positive_EV><B>Positive_EV(69)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Positive_EV><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=Positive_EV><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=429904\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For this question, you can set up a system of two equations with two variables.\r<BR>\n" );
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document.write( "Let p = the number of pigs and t = the number of turkeys.\r<BR>\n" );
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document.write( "We know there are 66 animals total, so\r<BR>\n" );
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document.write( "p + t = 66\r<BR>\n" );
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document.write( "We also know there are 210 feet. Pigs have 4 feet and turkeys have 2, so the second equation is:\r<BR>\n" );
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document.write( "4*p + 2*t = 210\r<BR>\n" );
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document.write( "Given these equations, you can solve for either p or t first by eliminating the other variable. \r<BR>\n" );
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document.write( "Since p + t = 66, subtract p from both sides to get\r<BR>\n" );
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document.write( "t = 66 - p. Next, replace the variable t in the second equation with 66 - p, since t = 66 - p:\r<BR>\n" );
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document.write( "4*p + 2*(66 - p) = 210<BR>\n" );
document.write( "4*p + 132 - 2*p = 210<BR>\n" );
document.write( "2*p = 78<BR>\n" );
document.write( "p = 39\r<BR>\n" );
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document.write( "So, there are 39 pigs. Plug this value for p into either equation to find t:\r<BR>\n" );
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document.write( "39 + t = 66<BR>\n" );
document.write( "t = 27\r<BR>\n" );
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document.write( "Thus, there are 39 pigs and 27 turkeys. </SPAN>\n" );
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