Relative Rates Work Word Problems
Review the Lesson | MATHguide homepage Updated June 18th, 2023

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

When David and Shawna work together to complete a job it takes them 10 weeks. However, when Shawna works alone, it takes 5 weeks longer than when David works alone.

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

David's solo rate is weeks.
Shawna's solo rate is weeks.