Question
Valen is 12 kg heavier than Tim and 9 kg heavier than Andy. The average mass of the 3 men is 77 kg. Find the average mass of Tim and Andy.
2 m

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Valen is 12 kg heavier than Tim and 9 kg heavier than Andy. The average mass of the 3 men is 77 kg. Find the average mass of Tim and Andy.