<PRE><B>Question 772436</B>
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The sum of the scores of the first 35 students is 35 times 80.  The sum of the scores of the scores of the other 15 students is 15 times 70.  The sum of the scores of all 50 students is the sum of your first two calculations.  The average is that grand total divided by 50.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
&lt;font face=&quot;Math1&quot; size=&quot;+2&quot;&gt;Egw to Beta kai to Sigma&lt;/font&gt;
My calculator said it, I believe it, that settles it
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