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

Short Answer

In a recent survey of $100$ women, the following information was gathered: $58$ use shampoo A. $51$ use shampoo B. $32$ use shampoo C. $21$ use shampoos A and B. $19$ use shampoos A and C. $14$ use shampoos B and C. $12$ use all three. How many are using shampoo C only (Region III)? 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