SOLUTION: wht is the mathmatical eqaution if 90 the average score between 81, 88, 87

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Question 140041: wht is the mathmatical eqaution if 90 the average score between 81, 88, 87
Answer by smarty1994(10) About Me  (Show Source):
You can put this solution on YOUR website!
(81+88+87)/3=90