Answer :
Given,
Weight of an adult crocodile, A=2200 pounds.
Wieght of a young crocodile, Y=157 pounds.
The pounds that is to be gained by the young crocodile is,
[tex]\begin{gathered} W=A-Y \\ W=2200-157=2043\text{ pounds} \end{gathered}[/tex]Therefore, the young crocodile is expected to gain 2043 punds more in his lifetime.