If 20 men can build a wall 112 metres long in 6…

If 20 men can build a wall 112 metres long in 6 days, what length of a similar wall can be built by 15 men in 3 days?

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 #7169