Delayed Start Work Word Problems
Review the Lesson | MATHguide homepage Updated April 7th, 2019

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

Robert can do a certain job in 9 minutes. Sue can do the same job in 5 minutes.

Robert and Sue work together to complete the same job. However, Robert starts working 3 minutes after Sue starts to work. How many minutes will it take for them to complete the job once Sue starts to work?