Math Problem Solver

1. Solve the following problems with sets

a. Let A and B be two finite sets such that n(A)=20, n (B)=28, and n(A U B)=36, find n(A ∩ B)

b. Let U = {2,4,6,8,10}

A = {2,4,6}

B = {8}

C = {10}