Question
Sabrina is 16 years old and Risa is four times as old as she is. What will be the ratio of Sabrina's age to Risa's age in 12 years' time?
3 m

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Sabrina is 16 years old and Risa is four times as old as she is. What will be the ratio of Sabrina's age to Risa's age in 12 years' time?