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In a zoo, there were 1200 animals.
70% of these were herbivores and the rest were carnivores.
A few days later, a certain number of carnivores and herbivores were transported to the zoo.
This caused the number of herbivores to increase by 120%.
As a result, 20% of all the animals in the zoo are carnivores.
(a) How many carnivores were added to the zoo ?
(b) If 80% of the initial number of animals were herbivores instead, how many carnivores were added to the zoo?
Notes to students:
- If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12