Question
A group of 20 boys and 30 girls took part in a Chinese competition. The average score of the boys was 61 points. While the average score of the girls was 81 points. What was the average score of all the pupils who participated in the competition?
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A group of 20 boys and 30 girls took part in a Chinese competition. The average score of the boys was 61 points. While the average score of the girls was 81 points. What was the average score of all the pupils who participated in the competition?