algebra

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About one fifth of the adult population in
the United States smoked in 2005. Within the part of
the population that smoked, sixth of twenty five of them were aged 25
to 44. What fraction of the adult population in the
United States was aged 25 to 44 and smoked?

  • algebra -

    P/5 smoked.

    (6/25) * (P/5) = 6P/125 Smokers age 25
    to 44.

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