document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=285317>Question 285317</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student wants an average (arithmetic mean) of exactly 87, what score must she earn on the fourth test?<BR>\n" );
document.write( "A.  85<BR>\n" );
document.write( "B.  86<BR>\n" );
document.write( "C.  87<BR>\n" );
document.write( "D.  92<BR>\n" );
document.write( "E.  93<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #206850 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=206850\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (87+81+88+X)/4=87<BR>\n" );
document.write( "(256+X)/4=87<BR>\n" );
document.write( "256+X=4*87<BR>\n" );
document.write( "256+X=348<BR>\n" );
document.write( "X=348-256<BR>\n" );
document.write( "X=92 IS REQUIRED ON THE 4 th TEST.<BR>\n" );
document.write( "ANSWER D) 92.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "(87+81+88+92)/4=87<BR>\n" );
document.write( "348=4*87<BR>\n" );
document.write( "348=348  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );