A certain shirt was marked down 10% the first week and another 20% the next week. What percent of the regular price was the final cost of the shirt after the two markdowns?
Choose one
A) 30%	B) 36%	C) 40%	D) 72%	E) 80%
If the price of the shirt is 100, and it is marked down by 10% and then 20% or charged 90% of the price first and 80% of the price of reduced price, the final price is :-   100*90*80/10000= 
<gadget id="calculator">100*90*80/10000</gadget>
<output>72</output>
72   72% is the final price of old price.   72% is the answer
<result>D</result>
A certain shirt was marked down 10% the first week and another 20% the next week. What percent of the regular price was the final cost of the shirt after the two markdowns?