Question
Tiffany is 9 years old and Opal is thrice as old as she is. What will be the ratio of Tiffany's age to Opal's age in 11 years' time?
3 m

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Tiffany is 9 years old and Opal is thrice as old as she is. What will be the ratio of Tiffany's age to Opal's age in 11 years' time?