Lemma
MediumPermutations & combinations
GSM8K test #538 · Combinatorics · Permutations & combinations

Four books are arranged on a shelf

Four books are arranged on a shelf. The first book is 31 mm thick while the second book is 50 mm thick. The third book is 5 mm less thick than the second book, and the fourth book is twice as thick as the first book. What is the total thickness of the four books?

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GSM8K — Grade School Math 8K (Cobbe et al., OpenAI, 2021) · test #538

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