Question
Lee is 11 kg heavier than Rael and 10 kg heavier than David. The average mass of the 3 men is 61 kg. Find the average mass of Rael and David.
2 m

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Lee is 11 kg heavier than Rael and 10 kg heavier than David. The average mass of the 3 men is 61 kg. Find the average mass of Rael and David.