A shirt goes on sale for 80% of its original price. One week later, the sale price is marked down 20%. The final price is what percent of the original price?
Select:
A) 72% B) 70% C) 52% D) 64% E) 28%
Just assume original price is 100.   Sale price = 80   Then it is marked down by 20% = 80-16= 
<gadget id="calculator">80-16</gadget>
<output>64</output>
64.   Hence it is 64% od the original price. Hence answer is 64%.
<result>D</result>
A shirt goes on sale for 80% of its original price. One week later, the sale price is marked down 20%. The final price is what percent of the original price?