In Net's hair salon 48% of the customers dye their hair blond, 36% dye their eyebrows blond and 35% straighten their hair. 20% of the customers have none of these three procedures, while 12% take all of these three procedures. What percent of the customers come for exactly 2 of these 3 procedures?  Choose the correct option.
A) 5% B) 9% C) 12% D) 15% E) 21%
Let a total of 100 people visit the salon.   Total = 100   15%ye hair blonde (A) = 45 % = 45   15%ye Eyebrows blonde (B) = 36% = 36   Straighten Hair (C) = 35% = 35   Neither = 20% = 20   All Three = 12% =12   Total = A+B+C - (Sum of Exactly Two group overlaps) - 2*(All three) + Neither   100 = 45+36+35 - (Sum of Exactly Two group overlaps) - 2*12 + 20   (Sum of Exactly Two group overlaps) = 9   %of customers coming for exactly 2 of the 3 procedures = 15%   15%
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In Net's hair salon 48% of the customers dye their hair blond, 36% dye their eyebrows blond and 35% straighten their hair. 20% of the customers have none of these three procedures, while 12% take all of these three procedures. What percent of the customers come for exactly 2 of these 3 procedures?