It takes 9 cups of water to fill up the kettle. It takes 3 cups of water to fill up the teapot. How many teapots of water are needed to fill up the kettle?
A6
B2
C3
D4
It takes 9 cups of water to fill up the kettle. It takes 3 cups of water to fill up the teapot. How many teapots of water are needed to fill up the kettle?
A6
B2
C3
D4