document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=969806>Question 969806</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Nadia has taken 55 tests and her average score so far is 79.\r<BR>\n" );
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document.write( "If she gets 100, a perfect score, on the remaining 2 tests, what will her new average be? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #592535 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=592535\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 79.74  ANSWER\r<BR>\n" );
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document.write( "She has an average from 55 tests.  Two perfect tests will change the average but not much, because they are a small number compared to 55.  \r<BR>\n" );
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document.write( "The mean is the average of all the tests.\r<BR>\n" );
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document.write( "mean=total/number.\r<BR>\n" );
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document.write( "The total score is mean* number (multiply both sides of the equation by number).\r<BR>\n" );
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document.write( "79*55=total =4345\r<BR>\n" );
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document.write( "Two more tests, and the total has increased 200 (100 on each test).  It is now 4545.\r<BR>\n" );
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document.write( "The number of tests has increased 2, to 57.\r<BR>\n" );
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document.write( "The new average (or mean; the two words are the same)=4545/57 \r<BR>\n" );
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document.write( "79.74  </SPAN>\n" );
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