Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a hour. Alice can do a certain job in 7 hours. Mark can do the same job in 10 hours.Alice and Mark work together to complete the same job. However, Alice starts working 4 hours after Mark starts to work. How many hours will it take for them to complete the job once Mark starts to work? hours
Alice can do a certain job in 7 hours. Mark can do the same job in 10 hours.Alice and Mark work together to complete the same job. However, Alice starts working 4 hours after Mark starts to work. How many hours will it take for them to complete the job once Mark starts to work?