J Jane New member Sep 17, 2009 #1 An oil tanker can be emptied by the main pump in 5 hours. An auxiliary pump can empty the tanker in 14 hours. If the main pump is started at 5pm, what time should the auxiliary pump be started so that the tanker is emptied by 9pm?
An oil tanker can be emptied by the main pump in 5 hours. An auxiliary pump can empty the tanker in 14 hours. If the main pump is started at 5pm, what time should the auxiliary pump be started so that the tanker is emptied by 9pm?
