If you want us to solve your homework, at least copy them here correctly. The question probably starts something like "A swimming pool can be filled using a pipe and a hose"...
Let part of swimming pool filled in x hours = y the pool filled in 1 hr = 1 \ h y = ( 1/h ) (x) y = x / h
The duration of Swimming to Cambodia is 1.42 hours.
The duration of Swimming - film - is 1.5 hours.
The duration of Swimming with Sharks is 1.55 hours.
The duration of For You Alone is 1.75 hours.
The duration of Alone with Her is 1.3 hours.
Mom asked me to forgive her for leaving me alone for those two dark hours, while I was afraid.
all but jack have gone swimming
Yes
This tends to happen after a few hours in 80 degree water. It means you are developing hypothermia. Avoid swimming for more than 3 hours straight.
The duration of Ourselves Alone is 1.13 hours.
The duration of Utterly Alone is 1.5 hours.