Question
Howard is 8 kg heavier than Liam and 4 kg heavier than Oscar. The average mass of the 3 men is 67 kg. Find the average mass of Liam and Oscar.
2 m

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Howard is 8 kg heavier than Liam and 4 kg heavier than Oscar. The average mass of the 3 men is 67 kg. Find the average mass of Liam and Oscar.