AQuA-RAT train #20905 · Combinatorics · Permutations & combinations
Nine friends go to see a movie at the local movie theater…
Nine friends go to see a movie at the local movie theater and sit in a row together. If there are two friends who refuse to sit next to each other, how many 9-person seating arrangements are possible?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #20905
Stuck? A gentle nudge
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