Question
The average weight of 10 pupils is 33 kg. When the weights of Ivan and Warren are included, the average weight becomes 46 kg. Warren is 2 kg lighter than Ivan. What is Ivan's weight?
3 m

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The average weight of 10 pupils is 33 kg. When the weights of Ivan and Warren are included, the average weight becomes 46 kg. Warren is 2 kg lighter than Ivan. What is Ivan's weight?