Question
The total mass of Gabriel, Julian and Christopher is 131 kg. Julian's mass is 5 kg more than Gabriel's and 11 kg more than Christopher's. Find the total mass of Gabriel and Christopher.
4 m

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The total mass of Gabriel, Julian and Christopher is 131 kg. Julian's mass is 5 kg more than Gabriel's and 11 kg more than Christopher's. Find the total mass of Gabriel and Christopher.