document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=236347>Question 236347</A>: <I><SPAN STYLE=\"word-break: break-all;\"> on a 100-questions test, 60 questions involve algebra and 20 questions are difficult. if 8 of the difficult questions involve algebra , how many of the questions that are not difficult do not involve algebra?\r<BR>\n" );
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document.write( "a) 92 b) 80 c) 52  d) 28 e)12 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #173992 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=173992\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> total questions = 100<BR>\n" );
document.write( "algebra questions = 60<BR>\n" );
document.write( "difficult questions = 20<BR>\n" );
document.write( "difficult algebra questions = 8\r<BR>\n" );
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document.write( "if algebra questions = 60, then non-algebra questions = 40 because 60 + 40 = 100.\r<BR>\n" );
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document.write( "if difficult algebra questions = 8, then difficult non-algebra questions = 12 because 8 + 12 = 20\r<BR>\n" );
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document.write( "we have:\r<BR>\n" );
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document.write( "total non-algebra questions = 40<BR>\n" );
document.write( "difficult non-algebra questions = 12\r<BR>\n" );
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document.write( "non-algebra questions that are not difficult are therefore 40-12 = 28.\r<BR>\n" );
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document.write( "you have:\r<BR>\n" );
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document.write( "28 non-algebra questions that are not difficult<BR>\n" );
document.write( "12 non-algebra questions that are difficult<BR>\n" );
document.write( "52 algebra questions that are not difficult<BR>\n" );
document.write( "8 algebra questions that are difficult.\r<BR>\n" );
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document.write( "the total is 28 + 12 + 52 + 8 = 100\r<BR>\n" );
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document.write( "total number of questions that are difficult = 8 + 12 = 20\r<BR>\n" );
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document.write( "total number of questions that are not difficult = 28 + 52 = 80\r<BR>\n" );
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document.write( " </SPAN>\n" );
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