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December 22, 2014

Homework Help: algebra

Posted by maxy on Thursday, December 13, 2012 at 6:36pm.

there was a total of 840 guests at a wedding dinner. 60% of them were adults, and the rest were children. some boys left before the dessert was served. as a result, the percentage of adults increased to 70%. how many boys left before the dessert was served

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