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Mathematics, 31.07.2019 11:40 kyrabrown33

Amathematics test was taken by 4 boys and 6 girls. the mean marks of the 10 students was 49. a) calculate the total marks obtained by 10 students. b) if the mean marks of 6 girls was 51, calculate the mean marks of 4 boys.

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Amathematics test was taken by 4 boys and 6 girls. the mean marks of the 10 students was 49. a) calc...

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