Delayed Start Work Word Problems
Review the Lesson | MATHguide homepage Updated November 27th, 2016

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

Mark can do a certain job in 5 minutes. Henry can do the same job in 8 minutes.

Mark and Henry work together to complete the same job. However, Mark starts working 2 minutes after Henry starts to work. How many minutes will it take for them to complete the job once Henry starts to work?