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3 February, 10:41

A boy is X years old. His sister is twice as old he is. The sum of their age is 27, How old is the boy?

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Answers (2)
  1. 3 February, 10:43
    0
    9

    18

    27

    36

    45

    54

    63

    72

    81

    Twice as older so if he was 9 she would be TWICE AS older so like 3 x 9 which equals 27
  2. 3 February, 10:56
    0
    The boy is 9

    9x2=18

    18+9=27
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