Suppose an ant hill in your backyard currently houses 2,564 ants. a) If the next week the ant population has increased by 16%, then how many ants are there? b) If the next week the ant population has increased by 16%, then how many ants are there? c) If the next week the ant population has decreased by 32%, then how many ants are there? d) How come the population doesn't return to 2,564 ants?

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