Waiting for your answers... Answer the following work problem. Report your answers to the nearest tenth of a hour. When Kris and Mary work together to complete a job it takes them 14 hours. However, when Mary works alone, it takes 3 hours longer than when Kris works alone.How long would it take Kris and Mary to do the job if each of them works alone?Kris's solo rate is hours.Mary's solo rate is hours.
Answer the following work problem. Report your answers to the nearest tenth of a hour.
When Kris and Mary work together to complete a job it takes them 14 hours. However, when Mary works alone, it takes 3 hours longer than when Kris works alone.How long would it take Kris and Mary to do the job if each of them works alone?