document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1045157>Question 1045157</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A farmer had 15 animals in its farmyard. Some were chickens and some were cows. There were 52 legs in all. How many cows were in the farmyard? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #660540 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=660540\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=chickens<BR>\n" );
document.write( "y=cows<BR>\n" );
document.write( "x+y=15<BR>\n" );
document.write( "2x+4y=52<BR>\n" );
document.write( "-2x-2y=-30, multiplying the first equation by -2.  Now add them.<BR>\n" );
document.write( "2y=22<BR>\n" );
document.write( "y=11 cows and 44 lege<BR>\n" );
document.write( "x=4 chickens and 8 legs\r<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );