Question 106627: A father is 4 times as old as his son. In 20 years he will be twice as old. How old are they now?
years,
Answer by HyperBrain(694)   (Show Source):
You can put this solution on YOUR website! A father is 4 times as old as his son
Thus, if his son is  years old, then, his father is  years old!
In twenty years, 20 yrs is added to their ages. Thus, if the father is , then in twenty years,he will be  years old! Similarly, his son will be  years old. However, in 20 years he will be twice as old as his son. So,
Therefore, the father is now 40 yrs old, while his son is 10 yrs old]
Power up,
HyperBrain!
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