If cost of sugar increases by 15%

If cost of sugar increases by 15%. How much percent consumption of sugar should be decreased in order to keep expenditure fixed?

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 #74684