The average density of the body of a fish is 1080 . To keep from sinking, the fish increases its volume by inflating an internal air bladder, known...

The average density of the body of a fish is 1080 . To keep from sinking, the fish increases its volume by inflating an internal air bladder, known as a swim bladder, with air.By what percent must the fish increase its volume to be neutrally buoyant in fresh water? Use 1.28 for the density of air at 20.