Question

A store has 500 winter coats. 35% are wool and 1/4 are nylon. How many coats are either wool or nylon?

Answer 1

60%

Explanation:

P(A or B) = P(A) + P(B)

175/500 are wool and 125/500 are nylon

Add them to get 300/500 or 3/5 or 60%