Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a day. Mark can do a certain job in 5 days. Alice can do the same job in 7 days.Mark and Alice work together to complete the same job. However, Mark starts working 4 days after Alice starts to work. How many days will it take for them to complete the job once Alice starts to work? days

Mark can do a certain job in 5 days. Alice can do the same job in 7 days.Mark and Alice work together to complete the same job. However, Mark starts working 4 days after Alice starts to work. How many days will it take for them to complete the job once Alice starts to work?