Question
There were an equal number of pupils in classes 2X and 2Y. After 9 pupils transferred from Class 2X to Class 2Y, there are now 54 pupils in Class 2Y. How many pupils were there in each class at first?
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There were an equal number of pupils in classes 2X and 2Y. After 9 pupils transferred from Class 2X to Class 2Y, there are now 54 pupils in Class 2Y. How many pupils were there in each class at first?