Question 608487
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Hi
"Joel is two years older than Sarah.  Sarah is two years older than Michael. 
 
Let x and (x+2) and (x+4) represent Michael's, Sarah's and Joel's ages resepctively
Question states***The sum of their ages is 63
x+(x+2)+(x+4) = 63
   3x+6 = 63
     x = 19, Michael's age, Sarah 21 and Joel 23
CHECKING our Answer***
  19 + 21 + 23 = 63