Question
Fred is 5 kg heavier than Archie and 4 kg heavier than Xavier. The average mass of the 3 men is 82 kg. Find the average mass of Archie and Xavier.
2 m

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Fred is 5 kg heavier than Archie and 4 kg heavier than Xavier. The average mass of the 3 men is 82 kg. Find the average mass of Archie and Xavier.