The compound interest on …662

The compound interest on $2000 at 10% per annum is $662. The period(in years) 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 #65615