A certain office supply store stocks 2 sizes of self-stick notepads, each in 4 colors: blue, green, yellow, or pink. The store packs the notepads in packages that contain either 3 notepads of the same size & same color or 3 notepads of the same size and of different colors. If the order in which the colors are packed is not considered, how many different packages of the types decribed above are possible?
6
8
16
24
32
[spoiler]In real time I just cudn't imagine how to handle this one[/spoiler]
6
8
16
24
32
[spoiler]In real time I just cudn't imagine how to handle this one[/spoiler]
