Question
140 people went to a concert hall. 37 were children. Some adults left halfway and the ratio of the number of children to the number of adults became 6 : 5. How many adults left the concert hall halfway?
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140 people went to a concert hall. 37 were children. Some adults left halfway and the ratio of the number of children to the number of adults became 6 : 5. How many adults left the concert hall halfway?