"TRALAALAA" the choir sang

Algebra Level 3

The ratio of females to males in a choir is 7:4. If 12 males and 3 females are absent from a particular practice, the ratio of females to males is 5:2. How many members of the choir attended this particular practice?

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"TRALAALAA" the choir sang

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Community

100 Day Summer Challenge

"TRALAALAA" the choir sang

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.

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

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

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

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