Answer:
Peanut butter A is the better buy,
Explanation:
To compare them directly, we can find the price per ounce for each peanut butter.
Peanut butter A has 12 ounces and costs $6, thus, each ounce is
Peanut butter B has 32 ounces and costs $18, thus, each once is
Therefore, Peanut butter A is the better buy.