theledfords1142 theledfords1142

04-05-2018
Mathematics

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A class has 24 boys and 16 girls. on a test the class mean was 75. the mean of the girls' score was 72. what was the mean of the boys' scores?

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04-05-2018

24+16=40
40*75=3000
16*72=1152
3000-1152=1848
1848/24=77

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pottymouth pottymouth

15-11-2018

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