To determine which type of apple is cheaper per pound, let's first calculate the cost per pound for McIntosh apples based on the provided data:
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For 2 pounds at $3.70: Cost per pound = \( \frac{3.70}{2} = 1.85 \) dollars per pound.
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For 3 pounds at $5.55: Cost per pound = \( \frac{5.55}{3} = 1.85 \) dollars per pound.
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For 4 pounds at $7.40: Cost per pound = \( \frac{7.40}{4} = 1.85 \) dollars per pound.
All calculations confirm that McIntosh apples cost $1.85 per pound.
Now, the question states that we need to compare this to the cost of Granny Smith apples, which is not provided in your question. However, based on one of your options, if Granny Smith apples are $1.75 per pound, then the conclusion will be as follows:
If Granny Smith apples are indeed $1.75 per pound, then:
- Granny Smith apples are cheaper at $1.75 per pound.
If the cost of Granny Smith apples is higher than $1.85 (which is not provided but might be a reasonable assumption), then:
- McIntosh apples are cheaper at $1.85 per pound.
You would need to check the provided graph or additional information to confirm the cost of Granny Smith apples. Based on the two possibility scenarios you've shared, the answer could be one of the following:
- If Granny Smith apples = $1.75 => Granny Smith apples are cheaper at $1.75 per pound.
- If not, then McIntosh apples are cheaper at $1.85 per pound.