Question
A group of 20 boys and 30 girls took part in a Mathematics quiz. The average score of the boys was 66 points. While the average score of the girls was 86 points. What was the average score of all the pupils who participated in the quiz?
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A group of 20 boys and 30 girls took part in a Mathematics quiz. The average score of the boys was 66 points. While the average score of the girls was 86 points. What was the average score of all the pupils who participated in the quiz?