document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1061868>Question 1061868</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a survey of 68 pet owners, 20 said they own a dog, and 21 said they own a cat. 18 said they own both a dog and a cat. How many owned a cat but not a dog? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #676629 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=676629\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 68 pet owners<BR>\n" );
document.write( "20 own a dog<BR>\n" );
document.write( "21 own a cat<BR>\n" );
document.write( "18 own both, a dog and a cat<BR>\n" );
document.write( "-.-.-.-.-.-.-.-.-.<BR>\n" );
document.write( "From this information, we have how many cats?:<BR>\n" );
document.write( "21 cats from people who own only a cat<BR>\n" );
document.write( "18 cats from people that own a cat and a dog<BR>\n" );
document.write( "---<BR>\n" );
document.write( "39 is the total of cats </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );