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Mathematics 7 Online
OpenStudy (anonymous):

help!!!!will give a medal to first person: Murray's stocks changed these amounts over these months: -8.23 in September, -5.67 in October, 4.8 in November, and -2 in December. What is the average change over that time period? Answer - 2.775 + 2.775 + 5.175 - 5.175

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