A man buys an song for 10% less than its value and sells it for 10% more than its value. His gain or loss percent is:
Pick one
A) <25
B) <10
C) >20
D) >30
E) <30
C   &gt;20   Let the song be worth $x.   C.P. 90% of $x = $9x/10   S.P. = 110% of $x = $11x/10   Gain = (11x/10 - 9x/10) = $x/5   Gain % = x/5 * 10/9x * 100 = 22 2/9 % &gt; 20%
<result>C</result>
A man buys an song for 10% less than its value and sells it for 10% more than its value. His gain or loss percent is: