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

What will the ratio of simple interest earned by certain amount at the same rate of interest for7 years and that for 9 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 #29287