A chemist mixes one liter of pure water with x liters of…

A chemist mixes one liter of pure water with x liters of a 50% salt solution, and the resulting mixture is a 15% salt solution. What is the value of x?

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 #46353