Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a minute. Alone, Mark can do a certain job in 19 minutes. When Mark and Alberta work together, they can finish the same job in 11 minutes.How long would it take Alberta to do the job alone? minutes

Alone, Mark can do a certain job in 19 minutes. When Mark and Alberta work together, they can finish the same job in 11 minutes.How long would it take Alberta to do the job alone?