A set of identical twins can only be distinguished by the characteristic that one always tells the truth and the other always lies. One twin tells you of a lucky number pai "When I multiply my first lucky number by 3 and my second lucky number by 6, the addition of the resulting numbers produces a sum of 64. When I add my first lucky number and twice my second lucky number, the sum is 20." Which twin is talking? Choose the correct answer below. the twin who always tells the truth