Lizzy: Farmer Brown raises emus, large birds. His flock has a total of 60 heads and legs. How many emus are in his flock?.
Me: Hmmm, let me think. I think this is the detailed solution:
User
Each emu has 1 + 2 = 3 heads and legs. Then the flock has 60 / 3 = 20 animals. Final answer: 20.
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