Question
The average weight of 10 pupils is 46 kg. When the weights of Fabian and Vincent are included, the average weight becomes 46 kg. Vincent is 10 kg lighter than Fabian. What is Fabian's weight?
3 m

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The average weight of 10 pupils is 46 kg. When the weights of Fabian and Vincent are included, the average weight becomes 46 kg. Vincent is 10 kg lighter than Fabian. What is Fabian's weight?