Question
A group of 20 boys and 30 girls took part in a Chinese test. The average score of the boys was 79 points. While the average score of the girls was 69 points. What was the average score of all the students who participated in the test?
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A group of 20 boys and 30 girls took part in a Chinese test. The average score of the boys was 79 points. While the average score of the girls was 69 points. What was the average score of all the students who participated in the test?