UPSKILL MATH PLUS

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There are some students in the two examination halls \(A\) an d\(B\). To make the number of students equal in each hall, \(10\) students are sent from \(A\) to \(B\). But if \(20\) students are sent from \(B\) to \(A\), the number of students in \(A\) becomes double the number of students in \(B\). Find the number of students in the two halls.
 
Answer:
 
The number of students in hall \(A\) is .
 
The number of students in hall \(B\) is