Question
A group of 50 girls and 20 boys took part in a Science quiz. The average score of the girls was 91 points. While the average score of the boys was 56 points. What was the average score of all the pupils who participated in the quiz?
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A group of 50 girls and 20 boys took part in a Science quiz. The average score of the girls was 91 points. While the average score of the boys was 56 points. What was the average score of all the pupils who participated in the quiz?