Waiting for your answers... Answer the following work problem. Report your answers to the nearest tenth of a minute. When David and Shawna work together to complete a job it takes them 7 minutes. However, when Shawna works alone, it takes 2 minutes longer than when David works alone.How long would it take David and Shawna to do the job if each of them works alone?David's solo rate is minutes.Shawna's solo rate is minutes.
Answer the following work problem. Report your answers to the nearest tenth of a minute.
When David and Shawna work together to complete a job it takes them 7 minutes. However, when Shawna works alone, it takes 2 minutes longer than when David works alone.How long would it take David and Shawna to do the job if each of them works alone?