Question
There were 60 girls and 115 boys queueing up for a concert. The ratio of the number of girls to the number of boys who left the queue was in the ratio 3 : 4. As a result, the ratio of the number of boys became three times as many as the number of girls who remained in the queue. How many people left the queue?
4 m

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There were 60 girls and 115 boys queueing up for a concert. The ratio of the number of girls to the number of boys who left the queue was in the ratio 3 : 4. As a result, the ratio of the number of boys became three times as many as the number of girls who remained in the queue. How many people left the queue?