Question 407390
  <pre><font size = 3 color = "indigo"><b>
Hi
difference between their ages is 42 
Let x and (x-42) represent Barry and Nick's ages respectively
Question states***
 x = 4(x-42)
Solving for x
 168 = 3x
  x = 56, Barry's age.  Nick is 14.  (56-42)

CHECKING our Answer***
  56 = 4*14