Question
A group of 20 girls and 40 boys took part in a Chinese exam. The average score of the girls was 55 points. While the average score of the boys was 67 points. What was the average score of all the pupils who participated in the exam?
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A group of 20 girls and 40 boys took part in a Chinese exam. The average score of the girls was 55 points. While the average score of the boys was 67 points. What was the average score of all the pupils who participated in the exam?