Sujit incurred a loss of 45% on selling an article for Rs.3520/-

Sujit incurred a loss of 45% on selling an article for Rs.3520/-. What was the cost price of the article?

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 #49311