How much volume (in cm3) is gained by a person who gains 11.1 lbs of pure fat?

The density of human fat is . The mass of the pure fat is 11.1 lbs.

First convert mass from lb to g as follows:

1 lb=453.592 g

Thus,

Density of a substance is defined as mass per unit volume, thus volume can be calculated as:

Putting the values,

Therefore, volume gained by person will be .