Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a minute. Petra can do a certain job in 6 minutes. Kris can do the same job in 5 minutes.Petra and Kris work together to complete the same job. However, Petra starts working 4 minutes after Kris starts to work. How many minutes will it take for them to complete the job once Kris starts to work? minutes
Petra can do a certain job in 6 minutes. Kris can do the same job in 5 minutes.Petra and Kris work together to complete the same job. However, Petra starts working 4 minutes after Kris starts to work. How many minutes will it take for them to complete the job once Kris starts to work?