Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a hour. Tammy can do a certain job in 9 hours. Petra can do the same job in 8 hours.Tammy and Petra work together to complete the same job. However, Tammy starts working 1 hours after Petra starts to work. How many hours will it take for them to complete the job once Petra starts to work? hours
Tammy can do a certain job in 9 hours. Petra can do the same job in 8 hours.Tammy and Petra work together to complete the same job. However, Tammy starts working 1 hours after Petra starts to work. How many hours will it take for them to complete the job once Petra starts to work?