Question
Jack is 13 kg heavier than Valen and 8 kg heavier than Justin. The average mass of the 3 men is 82 kg. Find the average mass of Valen and Justin.
2 m

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Jack is 13 kg heavier than Valen and 8 kg heavier than Justin. The average mass of the 3 men is 82 kg. Find the average mass of Valen and Justin.