Question
Sam joined Zumba Fitness Club three years ago when he weighed 85 kg 700 g. Given that he lost an average of 2 kg 400 g every year, how much does he weigh now? (Give the answer in kg and g.)
2 m

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Sam joined Zumba Fitness Club three years ago when he weighed 85 kg 700 g. Given that he lost an average of 2 kg 400 g every year, how much does he weigh now? (Give the answer in kg and g.)