Question
A group of 30 girls and 20 boys took part in a Chinese exam. The average score of the girls was 65 points. While the average score of the boys was 80 points. What was the average score of all the pupils who participated in the exam?
2 m

Click button first when a symbol is required. X

A group of 30 girls and 20 boys took part in a Chinese exam. The average score of the girls was 65 points. While the average score of the boys was 80 points. What was the average score of all the pupils who participated in the exam?