X/3 has to be smaller tha 80%
so x can be 2 since 2/3=66% about
1/2 is less thn 2/3
answer is x is 2
AS we know that:

And we have the volume and we can calculate the SA,,,
So that, we can conclude:

Are you
satisfied?
22.7 repeating does not belong with the other three numbers because it is the only repeating decimal in the data set.