If the annual interest on a principal is 8%, how many years…

If the annual interest on a principal is 8%, how many years before the amount is double?

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 #25302