If 5% more is gained by selling an article for Rs

If 5% more is gained by selling an article for Rs. 350 than by selling it for Rs. 340, the cost of the article is?

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 #1075