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

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


Alone, Kris can do a certain job in 25 months. When Kris and Sue work together, they can finish the same job in 15 months.

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


months