To find the cost per pound for both Granny Smith and McIntosh apples, we need to look at the data presented.
For Granny Smith apples:
- At 2 pounds, the cost is $3.50, which gives a cost per pound of $3.50 / 2 = $1.75.
- At 3 pounds, the cost is $5.25, which gives a cost per pound of $5.25 / 3 = $1.75.
- At 4 pounds, the cost is $7.00, which gives a cost per pound of $7.00 / 4 = $1.75.
So, Granny Smith apples cost $1.75 per pound.
For McIntosh apples:
- At 2 pounds, the cost is $3.70, which gives a cost per pound of $3.70 / 2 = $1.85.
- At 3 pounds, the cost is $5.55, which gives a cost per pound of $5.55 / 3 = $1.85.
- At 4 pounds, the cost is $7.40, which gives a cost per pound of $7.40 / 4 = $1.85.
So, McIntosh apples cost $1.85 per pound.
Now we compare the costs per pound:
- Granny Smith apples: $1.75 per pound
- McIntosh apples: $1.85 per pound
Granny Smith apples are cheaper at $1.75 per pound.
The correct response is: Granny Smith apples are cheaper at $1.75 per pound.