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 9 days. Frank can do the same job in 5 days.Mark and Frank work together to complete the same job. However, Mark starts working 4 days after Frank starts to work. How many days will it take for them to complete the job once Frank starts to work? days
Mark can do a certain job in 9 days. Frank can do the same job in 5 days.Mark and Frank work together to complete the same job. However, Mark starts working 4 days after Frank starts to work. How many days will it take for them to complete the job once Frank starts to work?