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math

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The Population of a town increased by 80% in 5 years. If the population is currently 18,000, find the population of this town 5 years agao. (Round to the nearest whole, if necessary).

please send formula of this equation

  • math -

    Let x = the original population of the town.

    1.8x = 18,000

  • confused -

    Where does the 1.8x come from? Can you break that down?

  • math -

    Let X be the population 5 years ago.
    X*(1.8) = 18,000
    X = 10,000

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