Atheater company advertises prices of $13 for adult tickets and $9 for student tickets. on a given day, there were 210 tickets sold, earning a total of $2130.

which system of equations correctly represents this situation where a represents the number of adult tickets sold and s represents the number of student tickets sold?

{13a+9s=210a+s=2130

{a+s=2109a+13s=2130

{9a+13s=210a+s=2130

{a+s=21013a+9s=2130

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.