A bag marked at $125 is sold for $120. The rate of discount is?
Choose one.
A) 10%  B) 25%  C) 20%  D) 50%  E) 4%
Rate of discount = 5/125 * 100= 
<gadget id="calculator">5/125 * 100</gadget>
<output>4</output>
4%   Answer is 4%
<result>E</result>
A bag marked at $125 is sold for $120. The rate of discount is?