Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a week. Shawna can do a certain job in 9 weeks. Petra can do the same job in 7 weeks.Shawna and Petra work together to complete the same job. However, Shawna starts working 1 weeks after Petra starts to work. How many weeks will it take for them to complete the job once Petra starts to work? weeks
Shawna can do a certain job in 9 weeks. Petra can do the same job in 7 weeks.Shawna and Petra work together to complete the same job. However, Shawna starts working 1 weeks after Petra starts to work. How many weeks will it take for them to complete the job once Petra starts to work?