Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a hour. Petra can do a certain job in 9 hours. Henry can do the same job in 10 hours.Petra and Henry work together to complete the same job. However, Petra starts working 1 hours after Henry starts to work. How many hours will it take for them to complete the job once Henry starts to work? hours
Petra can do a certain job in 9 hours. Henry can do the same job in 10 hours.Petra and Henry work together to complete the same job. However, Petra starts working 1 hours after Henry starts to work. How many hours will it take for them to complete the job once Henry starts to work?