Check your answer here:
(Rabbit) + (Rabbit) + (Rabbit) = 12 kg
3R = 12 kg
Therefore Rabbit = R = 4 kg
(Rabbit) + (Bird) = 5 kg
4 + B = 5
Bird = B = 1 kg
(Pig) – (Bird) = 99 kg
P – 1 = 99
Pig = P = 100
(Rabbit) + (Pig) + (Bird) = ?? kg
4 + 1 + 100 = 105
Answer = 105