Question
Mr Chan is 42 kg heavier than his son, Seth and 30 kg heavier then his daughter, Tammy. Given that their total mass is 201 kg, how much does Mr Chan weigh?
4 m

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Mr Chan is 42 kg heavier than his son, Seth and 30 kg heavier then his daughter, Tammy. Given that their total mass is 201 kg, how much does Mr Chan weigh?