There are 3 workers in the factory A, B, C. The age of A is 4 more than the age of B and the age of B is 4 more than the age of C. If the sum of the square of the ages is 1202. What is the sum of their ages?

• let age of b=x;
  age of a=x+4;
  age of c=x-4;
  sum of squares of ages =>3x^2+32
  =>x=19.7=>20
  sum of ages=60
  
• 9 years agoHelpfull: Yes(4) No(9)
• Answer is 80
• 5 years agoHelpfull: Yes(0) No(0)