Question
Aunt Jen is now 18 years old and Gillian is 5 years less than half of Aunt Jen's age. How many years later will Aunt Jen be thrice as old as Gillian?
4 m

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Aunt Jen is now 18 years old and Gillian is 5 years less than half of Aunt Jen's age. How many years later will Aunt Jen be thrice as old as Gillian?