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5 April, 11:46

Suppose the population of a town is 3,400 in 2000. The population decreases at a rate of 2% every 20 years. What will be the projected population in 2040? Round your answer to the nearest whole number.

options:

a) 4,115

b) 3,985

c) 3,265

d) 5,265

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Answers (1)
  1. 5 April, 11:56
    0
    The formula would be

    A=p (1-r) ^t

    P 3400

    R 0.02

    Since it decreases every 20 years

    From 2000 to 2040 it decreases 2 times so

    T 2

    A=3,400 * (1-0.02) ^ (2)

    A=3,265

    It's c
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