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The average weight of boys in a class is 45 kg while that of girls Is 36 kg. The average weight of the whole class is 42.25 kg. What is the respective ratio between the number of boys and girls in the class?

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The average weight of boys in a class is 45 kg while that of girls Is 36 kg. The average weight of the whole class is 42.25 kg. What is the respective ratio between the number of boys and girls in the class?






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