class Integer

def hundred_to_word(place = 0, numbers)
  if zero?
    ''
  elsif self < 10
    append_place(digit_to_word(numbers), place, numbers)
  elsif self < 20
    append_place(teen_to_word(numbers), place, numbers)
  elsif self < 100
    append_place(tens_place_to_word(numbers), place, numbers)
  else
    hundreds = self / 100
    tens = self % 100
    if tens.zero?
      append_place(hundreds.digit_to_word(numbers) + " #{numbers[:places][2]} and ", place, numbers)
    else
      append_place(hundreds.digit_to_word(numbers) + " #{numbers[:places][2]} and " + tens.tens_place_to_word(numbers), place,
                   numbers)
    end
  end
end