Lemma
MediumPermutations & combinations
AQuA-RAT train #36486 · Combinatorics · Permutations & combinations

In a family with 3 children, the parents have agreed to bring…

In a family with 3 children, the parents have agreed to bring the children to the pet store and allow each child to choose a pet. This pet store sells only dogs, cats, and monkeys. If each child chooses exactly one animal, and if more than one child can choose the same kind of animal, how many different arrangements of animals could the family leave with?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #36486

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