A work can be finished in 20 days by 10 women

A work can be finished in 20 days by 10 women. The same work can be finished in fifteen days by 20 men. The ratio between the capacity of a man and a woman is

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 #53172