document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=164874>Question 164874</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a large class, 80 students took a test. When the test papers were rated, it was found that 10% of the students had A papers, 23% had B papers, 30% had C papers, 15% had D papers, and the rest failed. How many students failed the test? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #121509 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=121509\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> well, we know that all the students(80) comprise 100%.  so if we add all the percentages of each group together and subtract that from 100% that will give us the percentage of failed students.   10+23+30+15=78%  100-78=22%.  So then 22% of the students failed.   In terms of numbers of students that would be 80 times 22%(or 22/100 or .22) which equals 17.6.  Since there cant be 6/10 of a person...  lets round up and we get 18 students that failed. </SPAN>\n" );
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