The average weight of 12 students in a class is y y y kg. Two new students join the class with a combined weight of $72$ kg, and as a result, the aver...
Question
The average weight of 12 students in a class is kg. Two new students join the class with a combined weight of $72$ kg, and as a result, the average weight of the class decreases by kg. If the heavier student among the two new students weighs kg, what is the difference between the weights of the two new students?