Question
Jen is 16 years old and Shiyun is four times as old as she is. What will be the ratio of Jen's age to Shiyun's age in 11 years' time?
3 m

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Jen is 16 years old and Shiyun is four times as old as she is. What will be the ratio of Jen's age to Shiyun's age in 11 years' time?