Given:
The price of 2 pound box is $3.20.
Step-by-step explanation:
In one pound there are 16 ounces.
Determine the ounces in 2 pound box.
So price of 32 ounces is $3.20.
Determine the price of one ounce (or price per ounce).
So price of grapes per ounce is $0.1.
Answer: $0.1