Answer to Question #20718 in Other Math for Kaysie
Use logical reasoning: Xenia corresponded on a regular basis with three pen pals. She wrote to all three on one Friday in 2003. She know she would next write to Daksha in India on Thursday two weeks after that, then on Wednesday in the fourth week. She would write to Leonel in the Dominican Republic every Friday. Finally, she would write to Catherine every fourth day, since they had been good friends before Catherine moved to England. On what date in 2003 did Xenia write for the second time to all three pen pals on the same day?
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