Lemma
EasyPermutations & combinations
GSM8K train #7311 · Combinatorics · Permutations & combinations

For a wedding, chairs were arranged in 7 rows with 12 chairs…

For a wedding, chairs were arranged in 7 rows with 12 chairs in each row. Some people arrived late and grabbed 11 extra chairs, placing them at the back. How many chairs were there altogether?

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GSM8K — Grade School Math 8K (Cobbe et al., OpenAI, 2021) · train #7311

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