help me please

Susan has a weekly budget of $207, which she likes to spend on fish and movie tickets. a. If the price of a fish is $27 cach, what is the maximum number of fish she could buy in a week fish b. If the price of a movie ticket is $109, what is the maximum number of movie tickets she could buy in a week? movie tickets fish c. What is the opportunity cost of a movie ticket? (In terms of fish)