Write the mathematical formulation for the following problems. Clearly state the variables (eq. x, y, z) and the meaning of the variables used by you in the formulation. Write the objective function and the constraints for the linear programming problem.

No Need to find the optimal solutions, just write the formulation.

Q3) A seafood restaurant owner orders at least 50 fishes. He cannot use more than 30 amberjack (fish type 1) or more than 35 flounder (fish type 2). Amberjack costs $4 each and flounder costs $3 each. How many of each fish should he use to minimize his cost?