A class has 5 boys and 7 girls. The boys got a mean score of 45% The girls got a mean score of 55% What was the mean for the whole class?
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A class has 5 boys and 7 girls. The boys got a mean score of 45% The girls got a mean score of 55% What was the mean for the whole class?
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Answer:
got a mean score of 45% The girls got a mean score of 55% What was the mean for the whole