math

the population of a town is declining at a rate of 4.1% per year. the current population is 25000. 1)what will the population be in 7 years. 2) how long will it take the population to reach 15000?

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asked by Riana
  1. p = po (.959)^n

    p = 25,000 (.959)^7
    = 18,650

    15,000 = 25, 000 (.959)^n

    .6 = .959^n
    ln .6 = n ln .959 or any base log

    n = 12.2 years

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    posted by Damon
  2. just follow the steps above

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    posted by sarah

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