Jerry needs to buy nails and screws for the construction site. nails cost $2.75 per pound and screws cost $3.25 per pound. if he only has $500 to spend on nails and screws, which inequality represents the situation where he buys x pounds of nails and y pounds of screws?
a) 3.25x + 2.75y ≤ 500
b) 3.25x + 2.75y ≥ 500
c) 2.75x + 3.25y ≤ 500
d) 2.75x + 3.25y ≥ 500