Question
There were an equal number of pupils in classes 4M and 4N. After 10 pupils transferred from Class 4M to Class 4N, there are now 45 pupils in Class 4N. How many pupils were there in each class at first?
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There were an equal number of pupils in classes 4M and 4N. After 10 pupils transferred from Class 4M to Class 4N, there are now 45 pupils in Class 4N. How many pupils were there in each class at first?