Question
The total mass of Ben and Jack is 46.7 kg. The total mass of Jack and Harry is 54.7 kg. If the total mass of Ben and Harry is 55 kg, find the mass of Harry.
4 m

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The total mass of Ben and Jack is 46.7 kg. The total mass of Jack and Harry is 54.7 kg. If the total mass of Ben and Harry is 55 kg, find the mass of Harry.