Sandy buys an old scooter for …200 on its repairs

Sandy buys an old scooter for $800 and spends $200 on its repairs. If Sandy sells the scooter for $1200, what is the gain percent?

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 #13844