document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=201891>Question 201891</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man has some hens and cows. If the number of feet equal 140, the number of<BR>\n" );
document.write( "hens will be\r<BR>\n" );
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document.write( "a) 22 b) 23 c) 24 d) 26 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #152178 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=152178\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Tahoma\" size=1.5><BR>\n" );
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document.write( "Let \"x\" be the number of hens\r<BR>\n" );
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document.write( "Also, let \"y\" be the number of cows\r<BR>\n" );
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document.write( "Since a hen has 2 feet and a cow has 4 feet, it follows:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B4y=140feet ALIGN=MIDDLE  ALT=\"2x%2B4y=140feet\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "We isolate \"x\" since we're looking for it (no. of hens).\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x=140-4y ALIGN=MIDDLE  ALT=\"2x=140-4y\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%282%29x%2Fcross%282%29=%28140-4y%29%2F2 ALIGN=MIDDLE  ALT=\"cross%282%29x%2Fcross%282%29=%28140-4y%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28140-4y%29%2F2 ALIGN=MIDDLE  ALT=\"x=%28140-4y%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > ....it stops here.\r<BR>\n" );
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document.write( "We need another eqn to continue. From the look of it, there's a missing data from the problem.\r<BR>\n" );
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document.write( "Most likely \"the number of hens and cows?\" ----> x+y=<font color=blue>?</font>, not given.\r<BR>\n" );
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document.write( "*Please confirm.\r<BR>\n" );
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document.write( "Thank you,<BR>\n" );
document.write( "Jojo</font><BR>\n" );
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