Mathematics, 17.09.2021 22:50 Molly666

after the first 3 grading periods, johns math grade were 96,93,90, which means his average grading period grade is 93. john thinks he can find the mean for the entire year by finding the mean of his 4th grading period grade, a 97, and the overall 93 average. is this a correct way for john to find his mean for the entire year

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