Based on the information provided, the cost per pound for McIntosh apples is not directly stated in your question, but we can derive it from the costs:
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For 2 pounds, the cost is $3.70, so: \[ \text{Cost per pound} = \frac{3.70}{2} = 1.85 \text{ dollars per pound} \]
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For 3 pounds, the cost is $5.55, so: \[ \text{Cost per pound} = \frac{5.55}{3} = 1.85 \text{ dollars per pound} \]
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For 4 pounds, the cost is $7.40, so: \[ \text{Cost per pound} = \frac{7.40}{4} = 1.85 \text{ dollars per pound} \]
Thus, the cost per pound for McIntosh apples is $1.85.
Now, for Granny Smith apples, since their cost per pound is given as $1.75, we can compare the two:
- McIntosh apples: $1.85 per pound
- Granny Smith apples: $1.75 per pound
Therefore, Granny Smith apples are the cheaper option at $1.75 per pound. The final answer is:
Granny Smith apples are cheaper at $1.75 per pound.