Question
The average weight of 5 pupils is 38 kg. When the weights of Ryan and David are included, the average weight becomes 46 kg. David is 9 kg lighter than Ryan. What is Ryan's weight?
3 m

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The average weight of 5 pupils is 38 kg. When the weights of Ryan and David are included, the average weight becomes 46 kg. David is 9 kg lighter than Ryan. What is Ryan's weight?