Answer
The cost of the one pound of the box is $0.974.
Explanation:
As given
Willis Rusch recently purchased a 5-pound box of treats for his dog.
The total purchase price was $4.87 .
i.e
Cost of 5- pound box = $4.87
Thus

Putting the values in the above

= $ 0.974
Therefore the cost of the one pound of the bos is $0.974.