Well, the equation would be 76*

or 76/4. Either works. 76/4 is 19. So Andy would be 19 years old.
I hope this helped :)
Answer should be A.
----hope it helps--------
Answer:
Option D. 
Step-by-step explanation:
we know that
The volume of the cylinder is equal to

In this problem we have


substitute
-----> exact value of the volume