A class is consisted of 10 with weights 30, 31, 32, 33…39kg, respectively. If 3 new students are admitted to the class with weights 45, 50 and 60 kg what will be the average weight of boys of the newly formed class?

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A class is consisted of 10 with weights 30, 31, 32, 33…39kg, respectively. If 3 new students are admitted to the class with weights 45, 50 and 60 kg what will be the average weight of boys of the newly formed class?