141k views
0 votes
If Roberto does a job in 11 hours and with the help of Sarah they can do it together in 2 hours, how long would it take Sarah to do it alone?

User Mhu
by
7.8k points

1 Answer

2 votes
i think it is seven but im probaly wrong
User ArtBelch
by
8.4k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.