Two successive discounts of 20% and 20% are equivalent to a single discount of  Pick one
A) 42%  B) 40%  C) 36%  D) 34%  E) None
Answer   Given, r1 = 20% and r2 = 20%   ∴ Single discount equal to r1 and r2   = (r1 + r2 - r1 x r2) / 100 %   = (20 + 20 - 20 x 20) / 100   = 40 - 4= 
<gadget id="calculator">40 - 4</gadget>
<output>36</output>
36%   36%orrect Option: 36%
<result>C</result>
Two successive discounts of 20% and 20% are equivalent to a single discount of