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- Oct 20th 2006, 03:50 PM #1

- Joined
- Oct 2006
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- 2

## Help with (mean) problem.

I would like to know the process of finding the answer to this problem.

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? Thankyou.

- Oct 20th 2006, 04:43 PM #2

- Oct 20th 2006, 06:35 PM #3

- Oct 21st 2006, 03:57 AM #4