Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a year. Alone, David can do a certain job in 21 years. When David and Alice work together, they can finish the same job in 12 years.How long would it take Alice to do the job alone? years
Answer the following work problem. Report your answer to the nearest tenth of a year.
Alone, David can do a certain job in 21 years. When David and Alice work together, they can finish the same job in 12 years.How long would it take Alice to do the job alone?