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12 August, 18:09

How to work a movie star, unwilling to give his age, posted the following riddle to a gossip columnist. seven years ago i was eleven times as old as my daughter. now i am four times as old as she is. how old is the star?

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  1. 12 August, 20:51
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    Daughter's age now = d

    movie star's age now = m

    7 years ago:

    m - 7 = 11 (d - 7)

    m - 7 = 11d - 77

    m = 11d - 70

    Now:

    m = 4d

    Substitution!

    4d = 11d - 70

    5d = 70

    d = 14

    Plug in the daughter's age to find the movie star's age!

    m = 4 (14)

    m = 56 years old
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