Final answer:
To find the rate per ounce of apple juice that costs $3.20 for a 16-ounce bottle, divide the total cost by the number of ounces, resulting in a rate of $0.20 per ounce.
Step-by-step explanation:
The subject of this question is to find the rate per ounce for a 16-ounce bottle of apple juice that costs $3.20 at the local grocery store. To calculate the rate per ounce, we need to divide the total cost of the bottle by the number of ounces it contains.
Here's the calculation: $3.20 (total cost) ÷ 16 ounces (total number of ounces) = $0.20 per ounce.
Therefore, the rate per ounce of the apple juice is $0.20.
The correct answer is: A. $0.20