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28 January, 14:17

Suppose a population of 250 crickets doubles in size every 6 months. How many crickets will there be after 2 years?

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Answers (2)
  1. 28 January, 14:33
    0
    Answer: 4000 crickets

    Step-by-step explanation:

    Step 1: convert 2 years into months, by noting that 12 months = 1 year

    2 years = 12 x 2

    2 years = 24 months

    From the information given, if 250 crickets doubles every 6 months, Where we have 24/6 cycles of 6 months in 2 years = 4 cycles

    250 x 2 = cycle 1 = 500

    500 x 2 = cycle 2 = 1000

    1000 x 2 = cycle 3 = 2000

    2000 x 2 = cycle 4 = 4000

    Therefore, in two years, number of crickets will be 4000.
  2. 28 January, 14:47
    0
    The number of crickets after 2 years is 4000.

    Step-by-step explanation:

    Given,

    Number of crickets = 250

    It doubles in number in every 6 months.

    To find the number of crickets after 2 years.

    Now,

    Presently, number of crickets = 250

    In 1st 6 months number of crickets = 250*2 = 500

    In 2nd 6 months (after 1 year) number of crickets = 500*2 = 1000

    In 3rd 6 months number of crickets = 1000*2 = 2000

    In last 6 months number of crickets = 2000*2 = 4000

    Hence,

    The number of crickets after 2 years = 4000
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