Question 387434
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Hi
Let x, (x-2) and (x+2) represent Hope's , Fonda's and Gable's ages respectively
Question states***
  x + (x-2) + (x+2) = 144
solving for x
  3x = 144
   x = 48, Hope's age.  Fonda's was 46 and Gable's 50

CHECKING our Answer***
 48 + 46 + 50 = 144