By selling 12 pencils for a rupee a man loses 12%

By selling 12 pencils for a rupee a man loses 12%. How many for a rupee should he sell in order to gain 18%?

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

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #41815