Question
A group of 50 boys and 20 girls took part in a Science test. The average score of the boys was 53 points. While the average score of the girls was 81 points. What was the average score of all the pupils who participated in the test?
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A group of 50 boys and 20 girls took part in a Science test. The average score of the boys was 53 points. While the average score of the girls was 81 points. What was the average score of all the pupils who participated in the test?