Sweater and glasses

Algebra Level 2

There are 40 students in the classroom.

50% of students wear both glasses and sweaters.
Among the students who don't wear glasses, 75% of them wear sweaters.

If two students wearing both glasses and sweaters leave the classroom, then which of the following is a possiblity for the percentage of students who wear neither glasses nor sweaters?

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.