Waiting for your answers... Answer the following work problem. Report your answers to the nearest tenth of a hour. When Petra and Sue work together to complete a job it takes them 12 hours. However, when Sue works alone, it takes 5 hours longer than when Petra works alone.How long would it take Petra and Sue to do the job if each of them works alone?Petra's solo rate is hours.Sue's solo rate is hours.
Answer the following work problem. Report your answers to the nearest tenth of a hour.
When Petra and Sue work together to complete a job it takes them 12 hours. However, when Sue works alone, it takes 5 hours longer than when Petra works alone.How long would it take Petra and Sue to do the job if each of them works alone?