Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a minute. Alone, Petra can do a certain job in 14 minutes. When Petra and Mark work together, they can finish the same job in 10 minutes.How long would it take Mark to do the job alone? minutes
Answer the following work problem. Report your answer to the nearest tenth of a minute.
Alone, Petra can do a certain job in 14 minutes. When Petra and Mark work together, they can finish the same job in 10 minutes.How long would it take Mark to do the job alone?