Long Jump Competition

Algebra Level 2

In a long jump qualifying competition, the average jump length of successful competitors was 6.5 meters. The average jump length of unsuccessful competitors was 4.5 meter, and average jump length of all competitors was 4.9 meters. Find the percentage (in %) of successful competitors.

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, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations, examples, and problems from the community.

Used and loved by 4 million people

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