Me pretty

let p: the day is tuesday.
let q: the day is thursday.
let r: she comes to work.
which represents the statement
"only if the day is tuesday or thursday, then she comes to work”?

a. p ↔ (q ∧ r)

b. p ↔ (q ∨ r)

c. (p ∧ q) ↔ r

d. (p ∨ q) ↔ r

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?