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16 October, 13:53

Choose a number between 61 and 107 that is a multiple of 3, 9 and 12

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  1. 16 October, 17:04
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    Let us simply find the least common multiple of 3, 9, and 12.

    3 / 3 9 12

    3 / 1 3 4

    4 / 1 1 4

    / 1 1 1

    LCM = 3 * 3 * 4 = 36

    Let us multiply 36 by 2 = 36*2 = 72

    So 72 is a multiple of 3, 9 and 12 and it is in between 61 and 107.
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