Noya needs to determine the number of books that will fit into a box. If the box has a length of 18 inches and each book is StartFraction 2 Over 9 EndFraction of an inch thick, which expression can be used to determine the number of books that will fit into the box?

The expression is;

Number of books = length of box/thickness of book

= 81/2/9 = 81 books

Step-by-step explanation:

Here, we want to determine the number of books that will fit into a box given the length of the book and the box.

The expression that can be used to get the number of books will be;

Number of books = length of box/thickness of book

= 18 divided by 2/9

= 18 * 9/2 = 81 books