Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a year. Petra can do a certain job in 6 years. Mark can do the same job in 10 years.Petra and Mark work together to complete the same job. However, Petra starts working 1 years after Mark starts to work. How many years will it take for them to complete the job once Mark starts to work? years
Petra can do a certain job in 6 years. Mark can do the same job in 10 years.Petra and Mark work together to complete the same job. However, Petra starts working 1 years after Mark starts to work. How many years will it take for them to complete the job once Mark starts to work?