If 0 < a < b and k = (2a + 12b)/b…

If 0 < a < b and k = (2a + 12b)/b , which of the following must be true?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #4288

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