A baseball card decreased in value 50% 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?	Choices:	A) 28%	B) 55%	C) 32%	D) 36%	E) 72%
Let the initial value of baseball card = 100   After first year , value of baseball card = (1- 50/100)* 100= 
<gadget id="calculator">(1- 50/100)* 100</gadget>
<output>50</output>
50   After second year , value of baseball card=(1 - 10/100)* 50= 
<gadget id="calculator">(1 - 10/100)* 50</gadget>
<output>45</output>
45   total percent decrease of the card's value over the two years= (100-45)/100 *100= 
<gadget id="calculator">(100-45)/100 *100</gadget>
<output>55</output>
55%   Answer 55%
<result>B</result>
A baseball card decreased in value 50% 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?