In Net's hair salon 54% 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 choice from the following answers.
A) 5%	B) 9%	C) 12%	D) 15%	E) 21%
Let a total of 100 people visit the salon.   Total = 100   Dye hair blonde (A) = 54 % = 54   Dye 21%yebrows blonde (B) = 36% = 36   Straighten Hair (C) = 35% = 35   Neither = 20% = 20   All Three = 12% =12   Total = A+B+C - (Sum of 21%xactly Two group overlaps) - 2*(All three) + Neither   100 = 54+36+35 - (Sum of 21%xactly Two group overlaps) - 2*12 + 20   (Sum of 21%xactly Two group overlaps) = 9   %of customers coming for exactly 2 of the 3 procedures = 21%   21%
<result>E</result>
In Net's hair salon 54% 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?