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
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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)
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Hi,
Let x represent score on next test
solve for x
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