SOLUTION: On the first 7 tests of her history class, Stephanie got an average score of 80.
What does she need on the next test to have an overall average of 82?
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-> SOLUTION: On the first 7 tests of her history class, Stephanie got an average score of 80.
What does she need on the next test to have an overall average of 82?
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Question 856588: On the first 7 tests of her history class, Stephanie got an average score of 80.
What does she need on the next test to have an overall average of 82? Answer by ewatrrr(24785) (Show Source):
