In 2007, the percentage of children under 18 years of age who lived with both parents was 71.1, the percentage of children who lived only with their mother was 18.7, and the percentage of children who lived with neither parent was 2.9. Use a Venn diagram to determine the percentage of children under age 18 who lived with their father only. The percentage of children under age 18 who lived with their father only was

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