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