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MathNet 2018-part-07 — 177 problems (EN–VI) Question 68

Math Olympiad Vault · MathNet 2018-part-07 — 177 problems (EN–VI)

Question 68

Farmer James has some strange animals. His hens have 2 heads and 8 legs, his peacocks have 3 heads and 9 legs, and his zombie hens have 6 heads and 12 legs. Farmer James counts 800 heads and 2018 legs on his farm. What is the number of animals that Farmer James has on his farm?