On Dik 's birthday, his brother Harry is seventeen years younger
than three times 's age. The boys father, Tom, is twelve years
older than twice Harry's age. If is seven years younger than
his brother, how many candles are on 's cake?
than three times 's age. The boys father, Tom, is twelve years
older than twice Harry's age. If is seven years younger than
his brother, how many candles are on 's cake?