In a math exam, the average score of a class is 95. Only WU GANG didn't take the exam, and the make-up exam score was 65 the next day. If the average class score is 94 after adding WU GANG's score, how many people are there in this class? .

There are x people in this class.

(X- 1)x95+65=94X

95X-95+65=94X

X=30 people

There are 30 people in this class.