<PRE><B>Question 766038</B>
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If the average age of 25 students is 20, then the sum of the 25 students ages must be 25 times 20.  Then, when the two people drop the course, that sum is reduced by the ages of the two who dropped and the new average is the new sum divided by 23.


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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