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Cocks and Cows Confuse too ?

Algebra Level 2

A man had some hens and cows. If the number of heads is 48 and number of feet equals 140, then the number of hens is ???

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Excel in math and science

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It's hard to learn from lectures and videos

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Used and loved by over 6 million people

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including olympiad champions, researchers, and professionals.

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by Anish Harsha

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