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Mathematics, 26.08.2019 03:30 loll9416

The population of a small town increased by 25% two years ago and then decreased by by 25% last year. the population is now 4500 persons. what was the population before the two changes?

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Dang i wish i could , good luck (i’m bad at math)
Someone its due in 30 min i dont know how to do pls

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