A portion of $6600 is invested at a 5% annual return, while the remainder is invested at a 3% annual return. If the annual income from the portion earning a 5% return is twice that of the other portion, what is the total income from the two investments after one year?
A. 300
B. 180
C. 360
D. 270
E. 320

• let the portion of amount at 5% be x, then the amount at 3% be 6600-x.
  5x/100 = 2( 3(6600-x)/100)
  x=3600
  total income= 5(3600)/100 + 3(6600-3600)/100 = 270
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• it will be 270
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