Suppose that n(u) = 200, n(a) = 105, n(b) = 110, and n( a ∩ b ) = 30. find n( a c ∪ b ).

Which labels do x and y represent? x: scattered bundles y: multiples of four or five x: scattered bundles y: multiples of three x: bundles in a ring y: multiples of four or five x: bundles in a ring y: multiples of three