An oil tanker can be emptied by the main pump in 4 hours. An auxiliary pump can empty the tanker in 6 hours. If the main
Posted: Fri Jul 08, 2022 5:32 am
An oil tanker can be emptied by the main pump in 4 hours. An auxiliary pump can empty the tanker in 6 hours. If the main pump is started at 8 PM, when should the auxiliary pump be started so that the tanker is emptied by 11 PM? The auxiliary pump should be started at :PM.