The drama club is selling tickets to their play to raise money for the show's expenses.
each student ticket sells for $4.50 and each adult ticket sells for $8. the auditorium
can hold no more than 84 people. the drama club must make at least $560 from
ticket sales to cover the show's costs. if 29 student tickets were sold, determine all
possible values for the number of adult tickets that the drama club must sell in order
to meet the show's expenses. your answer should be a comma separated list of values.
if there are no possible solutions, submit an empty answer.