In a class of 52 students, the number of boys is two less than the number of girls. The average weight of the boys is 42 kg, while the average weight of all 52 students is 40 kg. What is the approx. the average weight of the girls.
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Answer:
In a class of 52 students, the number of boys is two less than the number of girls. The average weight of the boys is 42 kg, while the average weight of all 52 students is 40 kg. What is the approx. the average weight of the girls. 38 kg.
