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| Math Central | Quandaries & Queries |
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Question from Timothy: I want 15 students to speak 7 times each over the course of 10 weeks. |
Timothy,
It sounds like you need to schedule 105 talks. That is 10 in 5 of the weeks, and 11 in the other 5. How about doing this:
Number the students 1 to 15.
Students 1 to 10 talk in week 1
Students 11 to 15 and 1 to 6 talk in week 2
Students 7 to 15, and 1 and 2 talk in week 3
Students 3 to 13 talk in week 4
And so on. The number of talks per week alternates 10, 11, 10, 11, ... The speakers are the next consecutive group of students, where you wrap around to student 1 following number 15.
--Victoria
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