A man can do a piece of work in 15 days and…

A man can do a piece of work in 15 days and his son do the same work in 12 days, both are working together for 5 days after that son left the job. then in how many days a man alone complete the remaining work?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #66054