Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a year. Frank can do a certain job in 10 years. Petra can do the same job in 5 years.Frank and Petra work together to complete the same job. However, Frank starts working 4 years after Petra starts to work. How many years will it take for them to complete the job once Petra starts to work? years
Frank can do a certain job in 10 years. Petra can do the same job in 5 years.Frank and Petra work together to complete the same job. However, Frank starts working 4 years after Petra starts to work. How many years will it take for them to complete the job once Petra starts to work?