A baseball card decreased in value 40% in its first year and 10% in its second year. What was the total percent decrease of the card's value over the two years?	Options: A) 28% B) 30% C) 32% D) 46% E) 72%
consider the initial value of the baseball card as $100   After first year price = 100*0.6= 
<gadget id="calculator">100*0.6</gadget>
<output>60</output>
60   After second year price= 60 *0.9= 
<gadget id="calculator">60 *0.9</gadget>
<output>54</output>
54   final decrease= [(100 - 54)/100] * 100 = 46%   correct answer - 46%(100 - 54)/100  * 100= 
<gadget id="calculator">(100 - 54)/100  * 100</gadget>
<output>46</output>
46%   correct answer - 46%
<result>D</result>
A baseball card decreased in value 40% in its first year and 10% in its second year. What was the total percent decrease of the card's value over the two years?