The inverse ratio of 3: 7: 1 is?\nOptions:\n(A) 2:3:7\n(B) 2:3:9\n(C) 2:3:2\n(D) 2:3:6\n(E) 2:3:1 Stream of consciousness first, then make a decision:
User
1/3: 1/7: 1/1 = 7:3:21
Thus, the answer is (E).
Assistant