What will be the ratio of simple interest earned by certain amount…

What will be the ratio of simple interest earned by certain amount at the same rate of interest for 5 years and that for 15 years?

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 #13093