Question
Riordan's age is 37 of his grandaunt's. His grandaunt will be 79 years old in 2 years' time. In how many years' time will Riordan's age be 12 that of his grandaunt's?
3 m

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Riordan's age is 37 of his grandaunt's. His grandaunt will be 79 years old in 2 years' time. In how many years' time will Riordan's age be 12 that of his grandaunt's?