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Mathematics, 30.06.2019 14:00 Mattorth512345
16. beginning at 8: 30 a. m., tours of the national capitol and the white house begin at a tour agency. tours for the national capitol leave every 15 minutes. tours for the white house leave every 20 minutes. how often do the tours leave at the same time? every 15 minutes every 30 minutes every 45 minutes every 60 minutes
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16. beginning at 8: 30 a. m., tours of the national capitol and the white house begin at a tour agen...
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