Question

U is the set of positive integers less than or equal to 30. A is the set of natural numbers that are multiples of 5 in U. B is the subset of all of the even integers in U.

a) Find n(A U B)
b) Find n(A intersect B)
c) Find n(A U B' )
d Find n(B intersect A')

Thank you so much!!!!!

11 years ago