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12 November, 09:18

Jack is 4 times as old as Lacy. 4 years ago the sum of their ages was 52. How old are they now

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  1. 12 November, 09:38
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    Jack = 48 years old, Lac = 12 years old

    Step-by-step explanation:

    Jack = 4Lacy

    (Jack - 4) + (Lacy - 4) = 52

    Now, substitute.

    4Lacy - 4 + Lacy - 4 = 52

    5Lacy = 60

    Lacy = 60/5 = 12

    Jack = 4Lacy

    =4 (12)

    =48
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