Twelve people apply to go on a biology field trip, but there is room in the car for only
Chapter 9, Problem 13(choose chapter or problem)
Twelve people apply to go on a biology field trip, but there is room in the car for only five of them. In how many different ways could the group of five making the trip be chosen? How can you tell that a number of combinations is being asked for, not a number of permutations?
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