Answers

2016-03-17T08:31:37+05:30
12% of 980 = 12/100 *980  = 117.6
x% of 450 = 450x/100 = 45x/10
30% of 227 = 30/100 *227 = 68.1

117.6 -45x/10 = 68.1 
  = -45x/10 = 68.1 - 117.6 = -49.5
  =  -45x = -495
  =  x = 495/45 = 11
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