A certain jacket was marked down 20% the first week and another 20% the next week. What percent of the regular price was the final cost of the jacket after the two markdowns? Choose one
A) 30%  B) 36%  C) 40%  D) 60%  E) 64%
This is a case of successive discounts.   64%ffective discount = -a -b + ab/100   64%ffective Discount = -20 - 20 + 400/100 = -36%   Final cost = 100 - 36= 
<gadget id="calculator">100 - 36</gadget>
<output>64</output>
64% of the initial cost   ANSW64%R:64%
<result>E</result>
A certain jacket was marked down 20% the first week and another 20% the next week. What percent of the regular price was the final cost of the jacket after the two markdowns?