Lemma
MediumPermutations & combinations
AQuA-RAT train #61323 · Combinatorics · Permutations & combinations

You have recently learned to knit, and all you know how to…

You have recently learned to knit, and all you know how to make is rectangles. You are going to knit a rectangle and have enough yarn for 1,000 stitches. The rectangle will have C stitches in a row and D stitches in a column. If the number of stitches in a row is no less than 8 and no more than 125, how many different combinations of rectangular shapes are possible?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #61323

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