Question

You are going out with your friends and trying to decide what to wear. You have the set of shirts and the set of bottoms below. Find A X B.

A = {red, blue, green}

B = {khaki, denim, cargo}

Answer 1

One moment

Answer 2

A x B = pairs where the first element is in A and the second is in B.
{(red, khaki),(red,denim),(red,cargo)...}

Answer 3

Continued:
{...(blue,khaki,),(blue,denim),(blue,cargo),(green,khaki,),(green,denim),(green,cargo)}
Phew.

Answer 4

does that make sense?