Question
Betty and Raeann's total mass is 63 kg. Raeann and Victoria's total mass is 89 kg. Victoria is three times as heavy as Betty. What is the average mass of the three friends?
3 m

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Betty and Raeann's total mass is 63 kg. Raeann and Victoria's total mass is 89 kg. Victoria is three times as heavy as Betty. What is the average mass of the three friends?