There were 76 pupils in two classes altogether. After one pupil was transferred from class A to class B, the two classes had the same number of pupils. How many pupils were there in class B at first?
A 35
B 36
C 37
D 38
There were 76 pupils in two classes altogether. After one pupil was transferred from class A to class B, the two classes had the same number of pupils. How many pupils were there in class B at first?
A 35
B 36
C 37
D 38