Unknown Rate Work Word Problems
Review the Lesson | MATHguide homepage Updated June 18th, 2023

Waiting for your answers...

Answer the following work problem. Report your answer to the nearest tenth of a month.


Alone, Shawna can do a certain job in 15 months. When Shawna and Mary work together, they can finish the same job in 3 months.

How long would it take Mary to do the job alone?


months