Question
The total mass of Christopher, Natalie and Ryan is 141 kg. Natalie's mass is 10 kg more than Christopher's and 17 kg more than Ryan's. Find the total mass of Christopher and Ryan.
4 m

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The total mass of Christopher, Natalie and Ryan is 141 kg. Natalie's mass is 10 kg more than Christopher's and 17 kg more than Ryan's. Find the total mass of Christopher and Ryan.