Let S be the universal set, where: S = {1, 2, 3, ..., 18, 19, 20} Let sets A and B be subsets of S, where: Set A - {1, 3, 5, 6, 8, 12, 13, 14, 15, 17, 20} Set B = {2, 3, 5, 7, 8, 11, 13, 15, 16, 17, 19, 20} Find the following: The number of elements in the set (A U B): n(A U B) = The number of elements in the set (An B): n(An B) is You may want to draw a Venn Diagram to help answer this