A is thrice as good as workman as B and therefore is…

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in?

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 #6833