document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=303837>Question 303837</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many different ways can you score an 80 on a 10 question true- false quiz? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #217692 by </B><A HREF=/tutors/aboutme.mpl?userid=graphmatics><B>graphmatics(170)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=graphmatics><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=graphmatics><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=217692\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Well let us look at it as 10 questions worth 10 points each. To score 80, 8 questions must be correct. Lets look at each question being 10 points. For the first question there a 10 possible questions for the second if you observe clearly there are 9 next one their are 8, etc etc:. Let z be the number of possible 8 questions selected. Then:\r<BR>\n" );
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document.write( "z = 10+9+8+7+6+5+4+3<BR>\n" );
document.write( "z = 52 </SPAN>\n" );
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