My question is: The tripodasaurus has three legs. In a flock of tripodasauruses, there is a total of 20 heads and legs. How many tripodasauruses are in the flock? Your thoughts:
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Each animal has 1 + 3 = 4 total heads and legs. Then there are 20 / 4 = 5 in the flock. The final answer: 5.
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