Delayed Start Work Word Problems
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Answer the following work problem. Report your answer to the nearest tenth of a year.


Frank can do a certain job in 10 years. Petra can do the same job in 5 years.

Frank and Petra work together to complete the same job. However, Frank starts working 4 years after Petra starts to work. How many years will it take for them to complete the job once Petra starts to work?


years