Your function takes two arguments:

	1. current father's age (years)
	2. current age of his son (years)
	Сalculate how many years ago the father was twice as 
	old as his son (or in how many years he will be twice as old).
				

	No examples		
				

Solution by -

	function twiceAsOld(dadYearsOld, sonYearsOld) {
		return Math.abs(dadYearsOld - 2 * sonYearsOld)
		}
				

Try it yourself - CodeWars

	Your function takes two arguments:

	1. current father's age (years)
	2. current age of his son (years)
	Сalculate how many years ago the father was twice as 
	old as his son (or in how many years he will be twice as old).
				

	No examples		
				

Solution by -

	function twiceAsOld(dadYearsOld, sonYearsOld) {
		return Math.abs(dadYearsOld - 2 * sonYearsOld)
		}
				

Try it yourself - CodeWars