In the video game WarWalker, you can pick up a gun that shoots three silver bullets at once, which simultaneously kills three zombie soldiers.  You're being chased by 11 zombies when you pick up the gun.  How many ways can the first three zombies of the 11 be hit with the three-way gun?  (Assume they're equally close and it doesn't matter which order you hit the zombie soldiers.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section: Chapter Questions
Problem 40CT: There are 10 applicants for three sales positions at a department store. All of the applicants are...
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In the video game WarWalker, you can pick up a gun that shoots three silver bullets at once, which simultaneously kills three zombie soldiers.  You're being chased by 11 zombies when you pick up the gun.  How many ways can the first three zombies of the 11 be hit with the three-way gun?  (Assume they're equally close and it doesn't matter which order you hit the zombie soldiers.)

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