Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a year. David can do a certain job in 5 years. Sue can do the same job in 9 years.David and Sue work together to complete the same job. However, David starts working 4 years after Sue starts to work. How many years will it take for them to complete the job once Sue starts to work? years
David can do a certain job in 5 years. Sue can do the same job in 9 years.David and Sue work together to complete the same job. However, David starts working 4 years after Sue starts to work. How many years will it take for them to complete the job once Sue starts to work?