John, Jim, Jay, and Jack have formed a band consistingof 4
Chapter 1, Problem 4(choose chapter or problem)
John, Jim, Jay, and Jack have formed a band consistingof 4 instruments. If each of the boys can playall 4 instruments, how many different arrangementsare possible? What if John and Jim can playall 4 instruments, but Jay and Jack can each playonly piano and drums?
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