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8 March, 11:56

Two thirds of a number is 18work out five ninths of the number

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  1. 8 March, 15:28
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    (2/3) * x = 18

    2x / 3 = 18

    2x = 18*3

    2x = 54

    x = 54/2

    x = 27

    (5/9) * 27 = y

    27*5 / 9 = y

    135 / 9 = y

    y = 15
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