Second solution for fizzbuzz kata with improved readability

fizzbuzz2.rb

class FizzBuzzGame
  FIZZ = 'fizz'
  BUZZ = 'buzz'
  FIZZBUZZ = 'fizzbuzz'

  def answer_for(number)
    return FIZZBUZZ if divisible_by_3?(number) and divisible_by_5?(number)
    return FIZZ if divisible_by_3?(number)
    return BUZZ if divisible_by_5?(number)
    number
  end

  private
    def divisible_by_3?(number)
      number % 3 == 0
    end

    def divisible_by_5?(number)
      number % 5 == 0
    end
end