Chicken and rabbit * * * 16 heads and 54 feet. How many chickens and rabbits are there? Remember to give me the formula. Thank you! ! ! Chickens and rabbits have 16 heads. Suppose 16 heads are chickens, then there should be legs 16×2=32 54-32=22. The reason for counting legs is that rabbits are treated as chickens. So the rabbit has 22÷2= 1 1 chicken has16-1= 5 rabbit has 1 1 chicken. Rabbits have (54- 16 ×