Mathematics, 08.07.2019 23:30 CarQuestionl6367

On a certain exam, tony corrected 2020 papers and found the mean for his group to be 6060. alice corrected the remaining 1010 papers and found that the mean for her group was 8080. what is the mean of the combined group of 3030 students

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On a certain exam, tony corrected 2020 papers and found the mean for his group to be 6060. alice cor...