package lasagna const OvenTime = 40 // RemainingOvenTime returns the remaining minutes based on the `actual` minutes already in the oven. func RemainingOvenTime(actualMinutesInOven int) int { return OvenTime - actualMinutesInOven } // PreparationTime calculates the time needed to prepare the lasagna based on the amount of layers. func PreparationTime(numberOfLayers int) int { return numberOfLayers*2 } // ElapsedTime calculates the time elapsed cooking the lasagna. This time includes the preparation time and the time the lasagna is baking in the oven. func ElapsedTime(numberOfLayers, actualMinutesInOven int) int { return PreparationTime(numberOfLayers) + actualMinutesInOven }