Waiting for your answers... Answer the following work problem. Report your answers to the nearest tenth of a year. When Petra and Robert work together to complete a job it takes them 12 years. However, when Robert works alone, it takes 2 years longer than when Petra works alone.How long would it take Petra and Robert to do the job if each of them works alone?Petra's solo rate is years.Robert's solo rate is years.
Answer the following work problem. Report your answers to the nearest tenth of a year.
When Petra and Robert work together to complete a job it takes them 12 years. However, when Robert works alone, it takes 2 years longer than when Petra works alone.How long would it take Petra and Robert to do the job if each of them works alone?