document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=326734>Question 326734</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Charlie has scores of 88, 95, and 89 on the first three tests. What score must he make on the fourth test so that the average of all four tests is exactly 93? \r<BR>\n" );
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document.write( "a.91.25  b.93   c.95 1/3   d.97  e.100\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #233933 by </B><A HREF=/tutors/aboutme.mpl?userid=AAfter+Search><B>AAfter Search(61)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=AAfter+Search><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=233933\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let Charlie scores N in the fourth test to get an average of 93 marks.<BR>\n" );
document.write( "Hence, (88 + 95 + 89 + N)/4 = 93<BR>\n" );
document.write( "=> 272 + N = 4 x 93 = 372<BR>\n" );
document.write( "=> N = 372 - 272 = 100<BR>\n" );
document.write( "Hence, Charlie must score 100 in the fourth test to get an average of 93 marks in all four tests. </SPAN>\n" );
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