Question
Zeph is 12 kg heavier than Ryan and 9 kg heavier than Caden. The average mass of the 3 men is 72 kg. Find the average mass of Ryan and Caden.
2 m

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Zeph is 12 kg heavier than Ryan and 9 kg heavier than Caden. The average mass of the 3 men is 72 kg. Find the average mass of Ryan and Caden.