Question
The average weight of 8 pupils is 42 kg. When the weights of Justin and Glen are included, the average weight becomes 46 kg. Glen is 10 kg lighter than Justin. What is Justin's weight?
3 m

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The average weight of 8 pupils is 42 kg. When the weights of Justin and Glen are included, the average weight becomes 46 kg. Glen is 10 kg lighter than Justin. What is Justin's weight?