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math

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In the summer of 2008 the population of cuckoos in an area was estimated as 560 pairs. If the numbers returning are declining at 4% each year, calculate
(a) the number of pairs of cuckoos in the area in the summer of 2009;
(b) the number of pairs of cuckoos in the area in the summer of 2020.

  • math - ,

    pairs = 560* .96^(year-2008)

  • math - ,

    2(x-3)< 4x+10

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