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4 December, 12:59

The 1989 population of Mexico was estimated at 87,000,000. The annual growth rate is 2.4%. When will the population reach 100,000,000 (to the nearest year) ?

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Answers (2)
  1. 4 December, 14:27
    0
    6years

    Step-by-step explanation:

    In 1988, the population of Mexico was 87,000,000. If the annual growth rate is 2.4% then annual population increase is expressed as;

    2.4% of 87,000,000

    = 2.4/100*87,000,000

    = 2.4*870,000

    = 2,088,000populations

    In order to know when the population will reach 100,000,000, first we will find the population margin

    Populating margin = 100,000,000 - 87,000,000

    = 13,000,000

    Since the population increases yearly by 2,088,000, this means the population will reach 100,000,000 after (13,000,000/2,088,000) years i. e 6.22years

    The population will reach 100,000,000 after 6.22years.

    The population will reach 100,000,000 after 6years (to the nearest year)
  2. 4 December, 14:32
    0
    6 years

    Step-by-step explanation:

    To find the number of years to reach a population of 100,000,000, you can use the following formula:

    n = ln (FV/PV) / ln (1+r)

    n = number of periods

    FV = future value

    PV = present value

    r = rate

    n = ln (100,000,000/87,000,000) / ln (1+0.024)

    n = 0.139/0.0237

    n = 5.86 ⇒ 6

    The population will reach 100,000,000 in 6 years.
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