Karen is making a large salad for a party. she buys lettuce for $2 per pound and tomatoes for $3 per pound. she spends at least $13. let x represent the number of pounds of lettuce that karen buys. let y represent the number of pounds of tomatoes that karen buys. which inequality represents this situation?

2x + 3y ≤ 13

2x - 3y < 13

2x + 3y > 13

2x + 3y ≥ 13