Waiting for your answers... Answer the following work problem. Report your answers to the nearest tenth of a minute. When Frank and Robert work together to complete a job it takes them 8 minutes. However, when Robert works alone, it takes 4 minutes longer than when Frank works alone.How long would it take Frank and Robert to do the job if each of them works alone?Frank's solo rate is minutes.Robert's solo rate is minutes.
Answer the following work problem. Report your answers to the nearest tenth of a minute.
When Frank and Robert work together to complete a job it takes them 8 minutes. However, when Robert works alone, it takes 4 minutes longer than when Frank works alone.How long would it take Frank and Robert to do the job if each of them works alone?