Relative Rates Work Word Problems
Review the Lesson | MATHguide homepage Updated November 27th, 2016

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

When Lee and Robert work together to complete a job it takes them 7 weeks. However, when Robert works alone, it takes 4 weeks longer than when Lee works alone.

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

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