document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=329398>Question 329398</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student’s mean score after 4 quizzes was 72. After the fifth quiz, the mean increased to 75.What was the student’s score on the fifth quiz?\r<BR>\n" );
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document.write( "(A) 60  (B) 72  (C) 84 (D) 87 (E) 100 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #236073 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=236073\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A student’s mean score after 4 quizzes was 72. After the fifth quiz, the mean increased to 75.What was the student’s score on the fifth quiz?<BR>\n" );
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document.write( "Fact: (sum of scores)/(# of scores) = average of scores<BR>\n" );
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document.write( "Sum after 4 quizzes = 4*72 = 288<BR>\n" );
document.write( "Sum after 5 quizzes = 5*75 = 375<BR>\n" );
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document.write( "Score on the 5th quiz = 375-288 = 87<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "(A) 60 (B) 72 (C) 84 (D) 87 (E) 100<BR>\n" );
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