Question
There were 106 boys and 171 girls queueing up for a concert. The ratio of the number of boys to the number of girls who left the queue was in the ratio 4 : 5. As a result, the ratio of the number of girls became three times as many as the number of boys who remained in the queue. How many people left the queue?
4 m

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There were 106 boys and 171 girls queueing up for a concert. The ratio of the number of boys to the number of girls who left the queue was in the ratio 4 : 5. As a result, the ratio of the number of girls became three times as many as the number of boys who remained in the queue. How many people left the queue?