Mathematics, 23.07.2021 22:00 jaici68

There are two exam rooms X and Y. We are told the following: If 10 students are sent from X to Y, the number of students in each room becomes the same. On the other hand, if 20 students are sent from Y to X, the number of students in X becomes double the number of students in Y. Find the (original) number of students in each room:

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