Collectible Mug

Posted October 31, 2008 By admin and has no comments yet.

Math help ... ? ?

You have 7 cups of collection you want to display in a cupboard. The firm owns only 4 cups. How many arrangements are different possible? Thank you!

I think it 7x6x5x4 = 840.

(more...)

Categories: Music Collectibles
tags: , , , , , , , , ,