• There are 12 books in each of the 4 shelves of a rack.
,• Jamie takes away 3 books from each of the two shelves.
First, we multiply to know the total number of books there are
[tex]12\times4[/tex]This product represents the total number of books.
Additionally, Jamie takes away 3 books from two shelves, that means we have to subtract the following product
[tex]3\times2[/tex]