Question 389575
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Hi
I. Assigning the variable       
Let x and 4x represent John and his father's age NOW respectively
II.Writing as we Read***
 ( x + 8) + (4x + 8) = 61
III.Solving for x
      5x = 45      
        x = 9, John's age NOW,  His father is NOW 36 
     
IV. CHECKING Our Answer***
   9+8 + 36+8 = 17 + 44 = 61