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

Kris can do a certain job in 11 weeks. David can do the same job in 10 weeks.

Kris and David work together to complete the same job. However, Kris starts working 5 weeks after David starts to work. How many weeks will it take for them to complete the job once David starts to work?