document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=254151>Question 254151</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a group of 40 students, 20 have cats, 15 have dogs, and 4 have both cats and dogs.\r<BR>\n" );
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document.write( "(a) How many students have neither cats nor dogs?<BR>\n" );
document.write( "(b) How many students have cats but not dogs? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #186473 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=186473\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
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document.write( "If 4 have both cats and dogs and 20 have cats, then 16 must have a cat but not a dog.  Similarly, if 4 have both and 15 have dogs, then 11 must have dogs but no cats.\r<BR>\n" );
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document.write( "So 16 plus 4 plus 11 equals 31 of the 40 students have one or the other or both leaving 9 that have neither.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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