If 25% of(x-y) = 15% of(x+y), then what percent of x is…

If 25% of(x-y) = 15% of(x+y), then what percent of x is y?

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 #12562