Question
Aunt Erika is now 16 years old and Lynn is 4 years less than half of Aunt Erika's age. How many years later will Aunt Erika be thrice as old as Lynn?
4 m

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Aunt Erika is now 16 years old and Lynn is 4 years less than half of Aunt Erika's age. How many years later will Aunt Erika be thrice as old as Lynn?