AQuA-RAT train #64715 · Number Theory · Divisibility

If the sum of the first n positive integers is S, what…

If the sum of the first n positive integers is S, what is the sum of the first n positive integers divisible by 5, in terms of S ?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #64715

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