A small college offers 219 different classes. No two classes can meet at the same time in the same room, of course. There are 11 different time slots at which classes can occur. What is the minimum number of classrooms needed to accommodate all the classes?
Added by Anita C.
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There are 219 classes and 11 different time slots, so the total number of possible class-time combinations is 219 * 11 = 2409. Show more…
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