In a class of 39 students there are 26 girls. The average weight of these girls is 42kg and average weight of the full class is 48kg. What is the average weight of the boys of the class?
In a class of 39 students there are 26 girls. The average weight of these girls is 42kg and average weight of the full class is 48kg. What is the average weight of the boys of the class?