Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a minute. Alone, Shawna can do a certain job in 20 minutes. When Shawna and Kris work together, they can finish the same job in 3 minutes.How long would it take Kris to do the job alone? minutes
Answer the following work problem. Report your answer to the nearest tenth of a minute.
Alone, Shawna can do a certain job in 20 minutes. When Shawna and Kris work together, they can finish the same job in 3 minutes.How long would it take Kris to do the job alone?