Gene frequencies in Hardy-weinberg equilibrium?

Question

A population of butterflies shows the following frequencies for wing coloration: 27 individuals with spotted wings and 973 with solid wings. Spotted is recessive, and the population is in Hardy-Weinberg equilibrium. How many of those with solid wings are expected to be homozygous for the dominant allele?

Answer 1

27, assuming random mating and no imbreeding.

Answer 2

Here is the answer:

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