Waiting for your answers... Answer the following work problem. Report your answer to the nearest tenth of a hour. Mary can do a certain job in 6 hours. Henry can do the same job in 7 hours.If Mary and Henry work together to complete the same job, how many hours will it take for them to complete it? hours

Mary can do a certain job in 6 hours. Henry can do the same job in 7 hours.If Mary and Henry work together to complete the same job, how many hours will it take for them to complete it?