Permutations
 

Permutations problem 14


A primary school nutrition organizer has 90 menus from previous years at her disposal. 18 menus for breakfast, 25 menus for morning snack, 27 menus for lunch and 20 menus for afternoon snack. Each week, they prepare a weekly menu that includes all four meals a day. How many different daily menus could be put together?


 

material editor: Akeem Adesina