Question
A group of 50 boys and 20 girls took part in a Chinese quiz. The average score of the boys was 80 points. While the average score of the girls was 66 points. What was the average score of all the pupils who participated in the quiz?
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A group of 50 boys and 20 girls took part in a Chinese quiz. The average score of the boys was 80 points. While the average score of the girls was 66 points. What was the average score of all the pupils who participated in the quiz?