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 week.

When Lee and Mary work together to complete a job it takes them 13 weeks. However, when Mary works alone, it takes 3 weeks longer than when Lee works alone.

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

Lee's solo rate is weeks.
Mary's solo rate is weeks.