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9 January, 15:49

Mary, who is 16 years old, is four times as old as her brother. how old will mary be when she is twice as old as her brother?

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Answers (2)
  1. 9 January, 16:04
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    Mary will be 18 when she is twice as old as her brother
  2. 9 January, 16:05
    0
    Mary will be 8 years old
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