The ratio of the cost price and the selling price is 4:5

The ratio of the cost price and the selling price is 4:5. The profit percent 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 #53123