Hannah is at the supermarket to buy carrots and potatoes. if she buys 2 pounds of carrots and 3 pounds of potatoes, it will cost her a total of $8, and if she buys 4 pounds of carrots and 4 pounds of potatoes, it hill cost her a total of $13. which of these statements is correct? carrots cost $1.50 a pound, which is less than potatoes cost. carrots cost $1.50 a pound, which is more than potatoes cost. carrots cost $1.75 a pound, which is less than potatoes cost. carrots cost $ 1.75 a pound, which is more than potatoes cost