the sum of the ages of two children is 12 and their product is 32. The age of elder one is?

• 8 years
  
  Let their ages be x and (12-x) years, then
  x*(12-x)=32
  x² - 12x + 32 = 0
  (x-8) (x-4) = 0
  x=8, 4
  Therefore age of elder is 8 years.
• 5 years agoHelpfull: Yes(0) No(0)