SOLUTION: The average of three test scores if the first two scores are 78 and 82 and s is the third test score.

SOLUTION: The average of three test scores if the first two scores are 78 and 82 and s is the third test score.

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Question 898650: The average of three test scores if the first two scores are 78 and 82 and s is the third test score.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Average =
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