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9 August, 15:26

Mary is n years old. What expression represents her age 5 years from now? 5 years ago?

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  1. 9 August, 19:01
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    After 5 years : (n + 5) years!

    Before 5 years : (n - 5)

    Step-by-step explanation:

    Given the age of Mary is n years old

    After 5 years, She must be 5 years more from now so,

    Her age will be (n + 5) years after 5 years from now!

    Also, 5 years ago she must be 5 years less than from now,

    So, her age 5 years ago was (n - 5) years!
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