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?
A 6
B 2
C 3
D 4
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?
A 6
B 2
C 3
D 4