1.   Express in simplest form.
    A. B.
    C. D.
    Hint

  2.   Express in simplest form.
    A. B.
    C. D.
    Hint

  3.   Express in simplest form.
    A. B.
    C. D.
    Hint

  4.   The table shows approximately the number of mobile phone users in each age group. Find the number of phone users aged 12-17 as a fraction of the number of mobile phone users aged 55 and over in simplest form.
   
    A. B.
    C. D.
    Hint

  5.   The table shows approximately the number of mobile phone users in each age group. Find the number of phone users aged 18-24 as a fraction of the number of mobile phone users aged 35-54 in simplest form.
   
    A. B.
    C. D.
    Hint



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