In a Recent Survey Of $100$ Women, the Information Was Gathered $59$

Short Answer

In a recent survey of $100$ women, the information was gathered: $59$ use shampoo A. $52$ use shampoo B. $32$ use shampoo C. $23$ use shampoos A and B. $19$ use shampoos A and C. $12$ use shampoos B and C. $11$ use all three. How many are not using any of the three listed shampoos (Region VIII)? A = {women who use shampoo A } B = {women who use shampoo B } C = {women who use shampoo C } Use the figure (with Regions I to VIII) to answer the question. __________ women