Solved: A professor packs her collection of 40 issues of a
Chapter 5, Problem 5.5.38(choose chapter or problem)
A professor packs her collection of 40 issues of a mathematics journal in four boxes with 10 issues per box. How many ways can she distribute the journals if a) each box is numbered, so that they are distinguishable? b) the boxes are identical, so that they cannot be distinguished?
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