His plans are adverse _____my interest

Seven-ninths of my current age is the same as five-sixths of that of one of my cousins . Thirty-nine years ago my age was twice his age . My current age is ____ years .

Three-fifths of my current age is the same as five-sixths of that of one of my cousins’. My age ten years ago will be his age four years hence. My current age is ______ years.