Question
A group of 20 boys and 30 girls took part in a Science test. The average score of the boys was 90 points. While the average score of the girls was 75 points. What was the average score of all the children who participated in the test?
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A group of 20 boys and 30 girls took part in a Science test. The average score of the boys was 90 points. While the average score of the girls was 75 points. What was the average score of all the children who participated in the test?