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Mathematics, 14.04.2020 23:50 daltondespain2

By 2005, 42 different men had been President of the Untied States. Of these men, 2/21 had no children. How many presidents had no children?

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By 2005, 42 different men had been President of the Untied States. Of these men, 2/21 had no childre...
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