PLEASE HELP BRANNIEST

The woodworking artist spends 3 hours making each type X carving, and 2 hours making each type Y carving. He can spend up to(maximum) 36 hours each week making carvings.
3x + 2y ≤ 36
He can spend no more than 36 hours on making carvings each week.
It costs him $4 for each type X, $5 for each type Y. He must keep his weekly cost for materials to $100 or less.
4x + 5y ≤ 100
He can spend no more than $100 on materials.
Answer is C