Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a hour. Sue can do a certain job in 6 hours. Petra can do the same job in 7 hours.Sue and Petra work together to complete the same job. However, Sue starts working 4 hours after Petra starts to work. How many hours will it take for them to complete the job once Petra starts to work? hours
Sue can do a certain job in 6 hours. Petra can do the same job in 7 hours.Sue and Petra work together to complete the same job. However, Sue starts working 4 hours after Petra starts to work. How many hours will it take for them to complete the job once Petra starts to work?