Question
Mr Tang is 40 kg heavier than his son, Riordan and 25 kg heavier then his daughter, Eva. Given that their total mass is 202 kg, how much does Mr Tang weigh?
4 m

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Mr Tang is 40 kg heavier than his son, Riordan and 25 kg heavier then his daughter, Eva. Given that their total mass is 202 kg, how much does Mr Tang weigh?