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 #186469 by </B><A HREF=/tutors/aboutme.mpl?userid=dabanfield><B>dabanfield(803)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dabanfield><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=186469\">put this solution on YOUR website!</A><BR><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. <BR>\n" );
document.write( "(a) How many students have neither cats nor dogs?<BR>\n" );
document.write( "(b) How many students have cats but not dogs?\r<BR>\n" );
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document.write( "Of the 20 people who have cats, 4 also have dogs so 20-4 = 16 have cats only. Similarly 15-4 = 11 have dogs only. So we have:\r<BR>\n" );
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document.write( "16 cats only<BR>\n" );
document.write( "11 dogs only<BR>\n" );
document.write( "4 both dogs and cats.\r<BR>\n" );
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document.write( "The remaining students, 40-(16+11+4) = 9, have neither dogs nor cats.  </SPAN>\n" );
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