Waiting for your answers... Answer the following work problem. Report your answers to the nearest tenth of a hour. When Tammy and David work together to complete a job it takes them 12 hours. However, when David works alone, it takes 3 hours longer than when Tammy works alone.How long would it take Tammy and David to do the job if each of them works alone?Tammy's solo rate is hours.David's solo rate is hours.
Answer the following work problem. Report your answers to the nearest tenth of a hour.
When Tammy and David work together to complete a job it takes them 12 hours. However, when David works alone, it takes 3 hours longer than when Tammy works alone.How long would it take Tammy and David to do the job if each of them works alone?