In a given population of vietnamese potbelly pigs out of the 150 pigs their exists 180 alleles for the recessive trait blue eyes. what is the recessive allele frequency for the population

The recessive allele frequency for the population.
150 pigs have 300 alleles total
There exists 180 alleles for the recessive trait blue eyes.
Assign 'q' to the frequency of blue eye alleles 
q = 180/300 = 0.6 Answer 

I’d say a : water molecules

Might need you in a few weeks c: