Question 977244
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If his average on the first three exams is 80, then his total score for those three exams must be 3 times 80.  If he wants an 85 average after one more test, then the total for all 4 exams must be 4 times 85.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

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