Gluttony

Algebra Level 1

There is a circular cake, which you are told to cut into 7 or 9 equal pieces.

If you cut it into 7 equal pieces, then you're allowed to take 4 of them.
If you cut it into 9 equal pieces, then you're allowed to take all but 4 of them.

If you want to maximize the amount that you take, should you cut the cake into 7 or 9 equal pieces?

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 7 million people

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