SOLUTION: the age of the father is twice the sum of the ages of his two children,after 20yearshis age wil be equal to the sum of the ages of his children,find the age of the father

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Question 441358: the age of the father is twice the sum of the ages of his two children,after 20yearshis age wil be equal to the sum of the ages of his children,find the age of the father
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
F=2K
F+20=K+40
F=K+20
2K=K+20
K=20
F=40
The father is 40. His two kids together are 20..