SOLUTION: In a survey concerning the smoking habits of consumer it was found that 55% smoke cigarette A, 50% smoke cigarette B,40% smoke cigarette C, 30% smoke cigarettes A and B, 20% smoke
Question 1190455: In a survey concerning the smoking habits of consumer it was found that 55% smoke cigarette A, 50% smoke cigarette B,40% smoke cigarette C, 30% smoke cigarettes A and B, 20% smoke cigarettes A and C, 12% smoke cigarettes B and
C only 10% all three cigarettes. What percentage smokes brand A cigarettes only? Answer by joshua2022(1) (Show Source):