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1 September, 08:04

Jessica and her sister have a combined age of 47. Jessica is 5 years older than her sister. How old is Jessica

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  1. 1 September, 08:10
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    Let the sister be x years old.

    Then Jessica is x + 5 years old.

    Their ages add to 47.

    x + x + 5 = 47

    2x + 5 = 47

    2x = 42

    x = 21

    x + 5 = 26

    Jessica is 26, and her sister is 21.
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