Barge Trips A Cargo Barge Is Loaded In A Saltwater Harbor For A ?

A cargo barge is loaded in a saltwater harbor for a ? - barge trips

A barge loaded its cargo at a port of salted water to a journey through a river of fresh water. When the ship is sitting rectangular 3.0 m by 0.80 m deep 20.0my in port, the depth is going to sit in the river? Thanks