It’s hundred millions A is correct
Answer:

Step-by-step explanation:
The formula of an area of a elipse:

We have:

Substitute:

Given equation is 
Now it says to find f(2)
that simply means plug x=2 because we see that 2 is written in place of x in f(x) and f(2)



Hence final answer is 
Step-by-step explanation:
b=a-80
c=b-61
c=a-141
a+b+c=3a-221=430
3a=651
a=217 & b =137 & c=76