Sam is having a party. He wants to serve cake and tea. He has teapots.
Each teapot can serve cups of tea.
Or it could, if there had been any teapots.
So Sam can serve cups of tea to his friends.
How many teapots?
How many cups per teapot?
Sam is having a party. He wants to serve cake and tea. He has teapots.
Each teapot can serve cups of tea.
So Sam can serve cups of tea to his friends.