Asked by Robotic
Five students were late to class and only three vacant seats were available. In how many ways can the seats be occupied?
Answers
Answered by
Reiny
You are filling 3 seats with 5 students.
What have you studied about permutations?
In how many ways can you fill the first empty seat?
Now that there are only 4 of the late students standing, in how many ways can you fill the 2nd empty seat?
etc.
What have you studied about permutations?
In how many ways can you fill the first empty seat?
Now that there are only 4 of the late students standing, in how many ways can you fill the 2nd empty seat?
etc.
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