More Coffee or Tea? #2

Algebra Level 3

Take 1 teaspoon of coffee from a cup of coffee and empty it into a cup of tea. Stir the tea. Take 1 teaspoon from the teacup and empty it into the coffee cup. Stir.

Is there more coffee in the teacup or tea in the coffee cup?

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 6 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.