Atheater manager is planning an upcoming concert. regular tickets will cost $12 and student tickets will cost $8. the theater can seat at most 200 people. the manager wants to collect at least $1000 from ticket sales. let x represent the number of regular tickets sold. let y represent the number of student tickets sold. chose all inequalities that represent constraints for this situation.
a. 12x 8y≤1000
b. x y≥200
c. y≥1000
d. x y≤200
e. 12x 8y≤200
f. 12x 8y≥1000