2. The mean of four numbers is 42.5. If three of the numbers are 28, 56, and 12, what is the value of the fourth number?

74 is the fourth number.

The answer is

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.