SOLUTION: Let A = {15, 25, 35, 45, 55, 65} and B = {25, 45, 65}. What is A ∩ B?

Algebra ->  Probability-and-statistics -> SOLUTION: Let A = {15, 25, 35, 45, 55, 65} and B = {25, 45, 65}. What is A ∩ B?      Log On


   

Question 897958: Let A = {15, 25, 35, 45, 55, 65} and B = {25, 45, 65}. What is A ∩ B?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
A ∩ B is the set of items that are in BOTH set A and set B

Notice how 25, 45 & 65 are in set A and in set B

So that means A ∩ B = {25, 45, 65} which is exactly equal to set B

It turns out that because B is a subset of set A, this means A ∩ B = B. This is one of the many properties of sets.