If in the class, 25 marks are achieved by 4 students and 35 marks are achieved by 4 students, the average score of the class is _______.

If in the class, 25 marks are achieved by 4 students and 35 marks are

1.	If in the class, 25 marks are achieved by 4 students and 35 marks are achieved by 4 students, the average score of the class is _______.
Answer» If in the class, 25 marks are achieved by 4 students and 35 marks are achieved by 4 students, the average score of the class is _______.