Question
Mr Tang is 50 kg heavier than his son, Albert and 20 kg heavier then his daughter, Gabby. Given that their total mass is 230 kg, how much does Mr Tang weigh?
4 m

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Mr Tang is 50 kg heavier than his son, Albert and 20 kg heavier then his daughter, Gabby. Given that their total mass is 230 kg, how much does Mr Tang weigh?