A baseball card decreased in value 25% 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? Pick one.
A) 28%	B) 30%	C) 32.5%	D) 36%	E) 72%
Let the initial value of baseball card = 100   After first year , value of baseball card = (1- 25/100)* 100= 
<gadget id="calculator">(1- 25/100)* 100</gadget>
<output>75</output>
75   After second year , value of baseball card=(1 - 10/100)* 75= 
<gadget id="calculator">(1 - 10/100)* 75</gadget>
<output>135/2 = around 67.5</output>
67.5   total percent decrease of the card's value over the two years= (100-67.5)/100 *100%   =31.5%   Answer 32.5%
<result>C</result>
A baseball card decreased in value 25% 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?