What sum of money will produce Rs.210 as simple interest in 4…

What sum of money will produce Rs.210 as simple interest in 4 years at 3 1/2 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 #26080