The total number of hockey cards is 200
The number of cards on a page is 20.
The number of pages in a section is 2.
Let there are x number of sections in a book. So number of cards on the x sections should be equal to total number of cards.
Determine the number of cards on the sections.
[tex]20\times2\times x[/tex]
The total number of hocker card is equal to 200. So equation is,
[tex]200=20\times2\times x[/tex]