P is 20% more efficient than Q

P is 20% more efficient than Q. P can complete a work in 22 days. If P and Q work together, how many days will it take to complete the same work?

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 #51881