Answer: Total volume of fat in his body is 
Explanation:
Density is defined as the mass contained per unit volume.

Given:
Density of fat cells = 
mass of fat cells = 20% of the mass of a 70 kg student's body is fat= 
Volume of fat = ?
Putting in the values we get:


Thus total volume of fat in his body is 
Answer:
Bonita is likely to have some cheesecake because she is not used to the diet.
It would be A, with out water we would dry up and die, being that our body is 70 some percent of water