- An Oil Tanker Can Be Emptied By The Main Pump In 5 Hours An Auxiliary Pump Can Empty The Tanker In 7 Hours If The Main 1 (136.01 KiB) Viewed 27 times
An oil tanker can be emptied by the main pump in 5 hours. An auxiliary pump can empty the tanker in 7 hours. If the main
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An oil tanker can be emptied by the main pump in 5 hours. An auxiliary pump can empty the tanker in 7 hours. If the main
An oil tanker can be emptied by the main pump in 5 hours. An auxiliary pump can empty the tanker in 7 hours. If the main pump is started at 5 PM, when should the auxiliary pump be started so that the tanker is emptied by 9 PM? The auxiliary pump should be started at ]: PM.