Question
The total mass of Owen, Layla and Claire is 138 kg. Layla's mass is 7 kg more than Owen's and 14 kg more than Claire's. Find the total mass of Owen and Claire.
4 m

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The total mass of Owen, Layla and Claire is 138 kg. Layla's mass is 7 kg more than Owen's and 14 kg more than Claire's. Find the total mass of Owen and Claire.