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college math

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Aging in the United States In 2050, about 1 over 5 of the population will be aged 65 or over and about 1 over 20 of the population will be aged 85 or over. Estimate the fraction of the population that will be between the ages of 65 and 85 in 2050. (Source: U.S. Census Bureau.)

  • college math -

    Exactly what is (1/5-1/20)?

  • college math -

    1
    __
    5

    and

    1
    __
    20

  • college math -

    1/5 = 4/20

    4/20 - 1/20 = 3/20

  • college math -

    in about 2050 about 1/5 of the population will be aged 65 or over and about 1/20 of the population will be aged 85 or over. estimate the fraction of the population that will be between the ages of 65 and 85 in 2050

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