Question
Mr Yang is 39 kg heavier than his son, Tom and 27 kg heavier then his daughter, Yoko. Given that their total mass is 273 kg, how much does Mr Yang weigh?
4 m

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Mr Yang is 39 kg heavier than his son, Tom and 27 kg heavier then his daughter, Yoko. Given that their total mass is 273 kg, how much does Mr Yang weigh?