The Density of a 57-Kg (126-Lb)person Who Can Float in Salt

Multiple Choice

The density of a 57-kg (126-lb) person who can float in salt water but not in fresh water is about

A) 505 kg/m³ (32 lb/ft³)
B) 1010 kg/m³ (63 lb/ft³)
C) 2020 kg/m³ (126 lb/ft³)
D) 4040 kg/m³ (252 lb/ft³)
And has a volume of about
E) 1 ft³.
F) 2 ft³.
G) 3 ft³.
H) 4 ft³.
I) need more information