lib/alcool.ex


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defmodule Alcool do

  @spec units(Float.t, Float.t) :: Float.t
  def units(cl, degrees) do
    kg(cl, degrees)*100
  end

  def grams(cl, degrees) do
    kg(cl, degrees)*1000
  end

  def kg(cl, degrees) do
    (((cl/100) * 0.8) * (degrees/100))
  end

end