SOLUTION: a man is 20 years older than his son. In ten years, He will be twice as old as his son will then be. How old is each?

Question 392604: a man is 20 years older than his son. In ten years, He will be twice as old as his son will then be. How old is each?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
a man is 20 years older than his son. In ten years, He will be twice as old as his son will then be. How old is each?
son = x years
father = x+20
...
after 10 years
son = x+10
father = x+20+10 = x+30 years
...
x+30=2(x+10)
x+30=2x+20
2x-x=30-20
x= 10 son's age
father's age = x+20 = 10+20 = 30 years
...
m.ananth@hotmail.ca
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