A sporting goods store sells backpacks made of three different materials (canvas, nylon, or leather). Each backpack comes in one of three different colors (green, black, or blue).

How many different types of backpacks are there?

Question

A sporting goods store sells backpacks made of three different materials (canvas, nylon, or leather). Each backpack comes in one of three different colors (green, black, or blue).

 How many different types of backpacks are there?

anonymous · Answer

there are:

green canvas
black canvas
blue canvas

green nylon
black nylon
blue nylon

green leather
black leather
blue leather


how many is that?

kropot72 · Answer

You are right. The number of combinations is 9.