SOLUTION: Could you please explain how to get the new average? Cory's average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be?
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Question 894130: Could you please explain how to get the new average? Cory's average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be? Answer by richwmiller(17219) (Show Source):
