Question
Jack joined Zumba Fitness Club four years ago when he weighed 84 kg 700 g. Given that he lost an average of 2 kg 500 g every year, how much does he weigh now? (Give the answer in kg and g.)
2 m

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Jack joined Zumba Fitness Club four years ago when he weighed 84 kg 700 g. Given that he lost an average of 2 kg 500 g every year, how much does he weigh now? (Give the answer in kg and g.)