Relative Rates Work Word Problems
Review the Lesson | MATHguide homepage Updated April 7th, 2019

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


When Petra and Shawna work together to complete a job it takes them 7 months. However, when Shawna works alone, it takes 3 months longer than when Petra works alone.

How long would it take Petra and Shawna to do the job if each of them works alone?


Petra's solo rate is months.
Shawna's solo rate is months.