Waiting for your answers... Answer the following work problem. Report your answers to the nearest tenth of a hour. When Frank and Kris work together to complete a job it takes them 9 hours. However, when Kris works alone, it takes 5 hours longer than when Frank works alone.How long would it take Frank and Kris to do the job if each of them works alone?Frank's solo rate is hours.Kris's solo rate is hours.
Answer the following work problem. Report your answers to the nearest tenth of a hour.
When Frank and Kris work together to complete a job it takes them 9 hours. However, when Kris works alone, it takes 5 hours longer than when Frank works alone.How long would it take Frank and Kris to do the job if each of them works alone?