18% of 255 + ?% of 600 = 255.9
(1) 35
(2) 38
(3) 45
(4) 44
(5) None of these

• (18/100) x 255 + (x/100) x 600 = 255.9
  45.9 + 6x = 255.9
  6x = 255.9 - 45.9
  6x = 210.0
  x = 35
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• 18% of 255 is 45.9 + (x/100)*600=255.9
  or
  verify the options
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