human
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?
assistant
How many total heads and legs does each animal have? ** Each animal has 1+3=<<1+3=4>>4 total heads and legs.
How many tripodasauruses are in the flock? ** Then there are 20/4=<<20/4=5>>5 in the flock.
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