Question
The sum of Gwen's age and Ivory's age is 30. Gwen is older than Ivory. The product of their ages is 144. What is Ivory's age in 7 years' time?
3 m

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The sum of Gwen's age and Ivory's age is 30. Gwen is older than Ivory. The product of their ages is 144. What is Ivory's age in 7 years' time?