Question
Xylia is 11 years old now. She is 40 years younger than her mother. In how many years' time will Xylia's mother be thrice as old as Xylia?
4 m

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Xylia is 11 years old now. She is 40 years younger than her mother. In how many years' time will Xylia's mother be thrice as old as Xylia?