Question
The sum of Gwen's age and Joelle's age is 30. Gwen is older than Joelle. The product of their ages is 144. What is Joelle's age in 17 years' time?
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The sum of Gwen's age and Joelle's age is 30. Gwen is older than Joelle. The product of their ages is 144. What is Joelle's age in 17 years' time?