If 4 books were bought for a total of 320, what is the average cost per book?

If 4 books were bought for a total of 320, what is the average cost per book?

Explanation

To find the average cost per book when 4 books were bought for a total of 320, follow these steps:

Total cost of the books: 320

Number of books: 4

Calculate the average cost per book:

Average cost per book Total cost/ Number of books 

320/ 4

= 80